Source : Webster's Revised Unabridged Dictionary (1913)

Indentation \In`den*ta"tion\, n.
   1. The act of indenting or state of being indented.

   2. A notch or recess, in the margin or border of anything;
      as, the indentations of a leaf, of the coast, etc.

   3. A recess or sharp depression in any surface.

   4. (Print.)
      (a) The act of beginning a line or series of lines at a
          little distance within the flush line of the column or
          page, as in the common way of beginning the first line
          of a paragraph.
      (b) The measure of the distance; as, an indentation of one
          em, or of two ems.

   {Hanging}, or {Reverse}, {indentation}, indentation of all
      the lines of a paragraph except the first, which is a full
      line.

Reverse \Re*verse"\, n. [Cf. F. revers. See {Reverse}, a.]
   1. That which appears or is presented when anything, as a
      lance, a line, a course of conduct, etc., is reverted or
      turned contrary to its natural direction.

            He did so with the reverse of the lance. --Sir W.
                                                  Scott.

   2. That which is directly opposite or contrary to something
      else; a contrary; an opposite. --Chaucer.

            And then mistook reverse of wrong for right. --Pope.

            To make everything the reverse of what they have
            seen, is quite as easy as to destroy. --Burke.

   3. The act of reversing; complete change; reversal; hence,
      total change in circumstances or character; especially, a
      change from better to worse; misfortune; a check or
      defeat; as, the enemy met with a reverse.

            The strange reverse of fate you see; I pitied you,
            now you may pity me.                  --Dryden.

            By a reverse of fortune, Stephen becomes rich.
                                                  --Lamb.

   4. The back side; as, the reverse of a drum or trench; the
      reverse of a medal or coin, that is, the side opposite to
      the {obverse}. See {Obverse}.

   5. A thrust in fencing made with a backward turn of the hand;
      a backhanded stroke. [Obs.] --Shak.

   6. (Surg.) A turn or fold made in bandaging, by which the
      direction of the bandage is changed.

Reverse \Re*verse"\, a. [OE. revers, OF. revers, L. reversus, p.
   p. of revertere. See {Revert}.]
   1. Turned backward; having a contrary or opposite direction;
      hence; opposite or contrary in kind; as, the reverse order
      or method. ``A vice reverse unto this.'' --Gower.

   2. Turned upside down; greatly disturbed. [Obs.]

            He found the sea diverse With many a windy storm
            reverse.                              --Gower.

   3. (Bot. & Zo["o]l.) Reversed; as, a reverse shell.

   {Reverse bearing} (Surv.), the bearing of a back station as
      observed from the station next in advance.

   {Reverse curve} (Railways), a curve like the letter S, formed
      of two curves bending in opposite directions.

   {Reverse fire} (Mil.), a fire in the rear.

   {Reverse operation} (Math.), an operation the steps of which
      are taken in a contrary order to that in which the same or
      similar steps are taken in another operation considered as
      direct; an operation in which that is sought which in
      another operation is given, and that given which in the
      other is sought; as, finding the length of a pendulum from
      its time of vibration is the reverse operation to finding
      the time of vibration from the length.

Reverse \Re*verse"\, v. t. [imp. & p. p. {Reversed};p. pr. & vb.
   n. {Reversing}.] [See {Reverse}, a., and cf. {Revert}.]
   1. To turn back; to cause to face in a contrary direction; to
      cause to depart.

            And that old dame said many an idle verse, Out of
            her daughter's heart fond fancies to reverse.
                                                  --Spenser.

   2. To cause to return; to recall. [Obs.]

            And to his fresh remembrance did reverse The ugly
            view of his deformed crimes.          --Spenser.

   3. To change totally; to alter to the opposite.

            Reverse the doom of death.            --Shak.

            She reversed the conduct of the celebrated vicar of
            Bray.                                 --Sir W.
                                                  Scott.

   4. To turn upside down; to invert.

            A pyramid reversed may stand upon his point if
            balanced by admirable skill.          --Sir W.
                                                  Temple.

   5. Hence, to overthrow; to subvert.

            These can divide, and these reverse, the state.
                                                  --Pope.

            Custom . . . reverses even the distinctions of good
            and evil.                             --Rogers.

   6. (Law) To overthrow by a contrary decision; to make void;
      to under or annual for error; as, to reverse a judgment,
      sentence, or decree.

   {Reverse arms} (Mil.), a position of a soldier in which the
      piece passes between the right elbow and the body at an
      angle of 45[deg], and is held as in the illustration.

   {To reverse an engine} or {a machine}, to cause it to perform
      its revolutions or action in the opposite direction.

   Syn: To overturn; overset; invert; overthrow; subvert;
        repeal; annul; revoke; undo.

Reverse \Re*verse"\, v. i.
   1. To return; to revert. [Obs.] --Spenser.

   2. To become or be reversed.

Source : WordNet®

reverse
     n 1: a relation of direct opposition; "we thought Sue was older
          than Bill but just the reverse was true" [syn: {contrary},
           {opposite}]
     2: the gears by which the motion of a machine can be reversed
     3: an unfortunate happening that hinders of impedes; something
        that is thwarting or frustrating [syn: {reversal}, {setback},
         {blow}, {black eye}]
     4: the side of a coin or medal that does not bear the principal
        design [syn: {verso}] [ant: {obverse}]
     5: (American football) a running play in which a back running
        in one direction hands the ball to a back running in the
        opposite direction
     6: turning in the opposite direction [syn: {reversion}, {reversal},
         {turnabout}, {turnaround}]

reverse
     adj 1: directed or moving toward the rear; "a rearward glance"; "a
            rearward movement" [syn: {rearward}]
     2: reversed (turned backward) in order or nature or effect
        [syn: {inverse}]
     3: of the transmission gear causing backward movement in a
        motor vehicle; "in reverse gear" [ant: {forward}]

reverse
     v 1: change to the contrary; "The trend was reversed"; "the tides
          turned against him"; "public opinion turned when it was
          revealed that the president had an affair with a White
          House intern" [syn: {change by reversal}, {turn}]
     2: turn inside out or upside down [syn: {invert}]
     3: rule against; "The Republicans were overruled when the House
        voted on the bill" [syn: {overrule}, {overturn}, {override},
         {overthrow}]
     4: annul by recalling or rescinding; "He revoked the ban on
        smoking"; "lift an embargo"; "vacate a death sentence"
        [syn: {revoke}, {annul}, {lift}, {countermand}, {repeal},
        {overturn}, {rescind}, {vacate}]