Source : Webster's Revised Unabridged Dictionary (1913)

Single \Sin"gle\, a. [L. singulus, a dim. from the root in
   simplex simple; cf. OE. & OF. sengle, fr. L. singulus. See
   {Simple}, and cf. {Singular}.]
   1. One only, as distinguished from more than one; consisting
      of one alone; individual; separate; as, a single star.

            No single man is born with a right of controlling
            the opinions of all the rest.         --Pope.

   2. Alone; having no companion.

            Who single hast maintained, Against revolted
            multitudes, the cause Of truth.       --Milton.

   3. Hence, unmarried; as, a single man or woman.

            Grows, lives, and dies in single blessedness.
                                                  --Shak.

            Single chose to live, and shunned to wed. --Dryden.

   4. Not doubled, twisted together, or combined with others;
      as, a single thread; a single strand of a rope.

   5. Performed by one person, or one on each side; as, a single
      combat.

            These shifts refuted, answer thy appellant, . . .
            Who now defles thee thrice ti single fight.
                                                  --Milton.

   6. Uncompounded; pure; unmixed.

            Simple ideas are opposed to complex, and single to
            compound.                             --I. Watts.

   7. Not deceitful or artful; honest; sincere.

            I speak it with a single heart.       --Shak.

   8. Simple; not wise; weak; silly. [Obs.]

            He utters such single matter in so infantly a voice.
                                                  --Beau. & Fl.

   {Single ale}, {beer}, or {drink}, small ale, etc., as
      contrasted with double ale, etc., which is stronger.
      [Obs.] --Nares.

   {Single bill} (Law), a written engagement, generally under
      seal, for the payment of money, without a penalty.
      --Burril.

   {Single court} (Lawn Tennis), a court laid out for only two
      players.

   {Single-cut file}. See the Note under 4th {File}.

   {Single entry}. See under {Bookkeeping}.

   {Single file}. See under 1st {File}.

   {Single flower} (Bot.), a flower with but one set of petals,
      as a wild rose.

   {Single knot}. See Illust. under {Knot}.

   {Single whip} (Naut.), a single rope running through a fixed
      block.

Entry \En"try\, n.; pl. {Entries}. [OE. entree, entre, F.
   entr['e]e, fr. entrer to enter. See {Enter}, and cf.
   {Entr['e]e}.]
   1. The act of entering or passing into or upon; entrance;
      ingress; hence, beginnings or first attempts; as, the
      entry of a person into a house or city; the entry of a
      river into the sea; the entry of air into the blood; an
      entry upon an undertaking.

   2. The act of making or entering a record; a setting down in
      writing the particulars, as of a transaction; as, an entry
      of a sale; also, that which is entered; an item.

            A notary made an entry of this act.   --Bacon.

   3. That by which entrance is made; a passage leading into a
      house or other building, or to a room; a vestibule; an
      adit, as of a mine.

            A straight, long entry to the temple led. --Dryden.

   4. (Com.) The exhibition or depositing of a ship's papers at
      the customhouse, to procure license to land goods; or the
      giving an account of a ship's cargo to the officer of the
      customs, and obtaining his permission to land the goods.
      See {Enter}, v. t., 8, and {Entrance}, n., 5.

   5. (Law)
      (a) The actual taking possession of lands or tenements, by
          entering or setting foot on them.
      (b) A putting upon record in proper form and order.
      (c) The act in addition to breaking essential to
          constitute the offense or burglary. --Burrill.

   {Bill of entry}. See under {Bill}.

   {Double entry}, {Single entry}. See {Bookkeeping}.

   {Entry clerk} (Com.), a clerk who makes the original entries
      of transactions in a business.

   {Writ of entry} (Law), a writ issued for the purpose of
      obtaining possession of land from one who has unlawfully
      entered and continues in possession. --Bouvier.

Source : WordNet®

single entry
     n : a simple bookkeeping system; transactions are entered in
         only one account [syn: {single-entry bookkeeping}]