Source : Webster's Revised Unabridged Dictionary (1913)

Chit \Chit\, Chitty \Chit"ty\, n. [Hind. chi[.t][.t][=i].]
   1. A short letter or note; a written message or memorandum; a
      certificate given to a servant; a pass, or the like.

   2. A signed voucher or memorandum of a small debt, as for
      food and drinks at a club. [India, China, etc.]

Chit \Chit\, v. i.
   To shoot out; to sprout.

         I have known barley chit in seven hours after it had
         been thrown forth.                       --Mortimer.

Chit \Chit\, 3d sing. of {Chide}.
   Chideth. [Obs.] --Chaucer.

Chit \Chit\ (ch[i^]t), n. [Cf. AS. c[=i][eth] shoot, sprig, from
   the same root as c[=i]nan to yawn. See {Chink} a cleft.]
   1. The embryo or the growing bud of a plant; a shoot; a
      sprout; as, the chits of Indian corn or of potatoes.

   2. A child or babe; as, a forward chit; also, a young, small,
      or insignificant person or animal.

            A little chit of a woman.             --Thackeray.

   3. An excrescence on the body, as a wart. [Obs.]

   4. A small tool used in cleaving laths. --Knight.

Source : WordNet®

chit
     n : the bill in a restaurant; "he asked the waiter for the
         check" [syn: {check}, {tab}]