Source : Webster's Revised Unabridged Dictionary (1913)

Fold \Fold\, v. t. [imp. & p. p. {Folded}; p. pr. & vb. n.
   {Folding}.] [OE. folden, falden, AS. fealdan; akin to OHG.
   faltan, faldan, G. falten, Icel. falda, Dan. folde, Sw.
   f[*a]lla, Goth. fal?an, cf. Gr.? twofold, Skr. pu?a a fold.
   Cf. {Fauteuil}.]
   1. To lap or lay in plaits or folds; to lay one part over
      another part of; to double; as, to fold cloth; to fold a
      letter.

            As a vesture shalt thou fold them up. --Heb. i. 12.

   2. To double or lay together, as the arms or the hands; as,
      he folds his arms in despair.

   3. To inclose within folds or plaitings; to envelop; to
      infold; to clasp; to embrace.

            A face folded in sorrow.              --J. Webster.

            We will descend and fold him in our arms. --Shak.

   4. To cover or wrap up; to conceal.

            Nor fold my fault in cleanly coined excuses. --Shak.

Fold \Fold\, v. i.
   To become folded, plaited, or doubled; to close over another
   of the same kind; to double together; as, the leaves of the
   door fold. --1 Kings vi. 34.

Fold \Fold\, v. t.
   To confine in a fold, as sheep.

Fold \Fold\, n. [From {Fold}, v. In sense 2 AS. -feald, akin to
   fealdan to fold.]
   1. A doubling,esp. of any flexible substance; a part laid
      over on another part; a plait; a plication.

            Mummies . . . shrouded in a number of folds of
            linen.                                --Bacon.

            Folds are most common in the rocks of mountainous
            regions.                              --J. D. Dana.

   2. Times or repetitions; -- used with numerals, chiefly in
      composition, to denote multiplication or increase in a
      geometrical ratio, the doubling, tripling, etc., of
      anything; as, fourfold, four times, increased in a
      quadruple ratio, multiplied by four.

   3. That which is folded together, or which infolds or
      envelops; embrace.

            Shall from your neck unloose his amorous fold.
                                                  --Shak.

   {Fold net}, a kind of net used in catching birds.

Fold \Fold\, v. i.
   To confine sheep in a fold. [R.]

         The star that bids the shepherd fold.    --Milton.

Fold \Fold\, n. [OE. fald, fold, AS. fald, falod.]
   1. An inclosure for sheep; a sheep pen.

            Leaps o'er the fence with ease into the fold.
                                                  --Milton.

   2. A flock of sheep; figuratively, the Church or a church;
      as, Christ's fold.

            There shall be one fold and one shepherd. --John x.
                                                  16.

            The very whitest lamb in all my fold. --Tennyson.

   3. A boundary; a limit. [Obs.] --Creech.

   {Fold yard}, an inclosure for sheep or cattle.

Source : WordNet®

fold
     v 1: bend or lay so that one part covers the other; "fold up the
          newspaper"; "turn up your collar" [syn: {fold up}, {turn
          up}] [ant: {unfold}]
     2: intertwine; "fold one's hands, arms, or legs"
     3: incorporate a food ingredient into a mixture by repeatedly
        turning it over without stirring or beating; "Fold the egg
        whites into the batter"
     4: cease to operate or cause to cease operating; "The owners
        decided to move and to close the factory"; "My business
        closes every night at 8 P.M." [syn: {close}, {shut down},
        {close down}] [ant: {open}]
     5: confine in a fold, like sheep [syn: {pen up}]
     6: become folded or folded up; "The bed folds in a jiffy" [syn:
         {fold up}]

fold
     n 1: an angular or rounded shape made by folding; "a fold in the
          napkin"; "a crease in his trousers"; "a plication on her
          blouse"; "a flexure of the colon"; "a bend of his elbow"
          [syn: {crease}, {plication}, {flexure}, {crimp}, {bend}]
     2: a group of people who adhere to a common faith and
        habitually attend a given church [syn: {congregation}, {faithful}]
     3: a folded part (as a fold of skin or muscle) [syn: {plica}]
     4: a pen for sheep [syn: {sheepfold}, {sheep pen}, {sheepcote}]
     5: the act of folding; "he gave the napkins a double fold"
        [syn: {folding}]