The Collaborative International Dictionary of English v.0.48:

Chit \Chit\ (ch[i^]t), n. [Cf. AS. c[imac][eth] shoot, sprig,
   from the same root as c[imac]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.
      [1913 Webster]

   2. A child or babe; as, a forward chit; also, a young, small,
      or insignificant person or animal.
      [1913 Webster]

            A little chit of a woman.             --Thackeray.
      [1913 Webster]

   3. An excrescence on the body, as a wart. [Obs.]
      [1913 Webster]

   4. A small tool used in cleaving laths. --Knight.
      [1913 Webster] Chit

The Collaborative International Dictionary of English v.0.48:

Chit \Chit\, Chitty \Chit"ty\, n. [Hind. chi[.t][.t][imac].]
   1. A short letter or note; a written message or memorandum; a
      certificate given to a servant; a pass, or the like.
      [Webster 1913 Suppl.]

   2. A signed voucher or memorandum of a small debt, as for
      food and drinks at a club. [India, China, etc.]
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Chit \Chit\, v. i.
   To shoot out; to sprout.
   [1913 Webster]

         I have known barley chit in seven hours after it had
         been thrown forth.                       --Mortimer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chit \Chit\, 3d pers. sing. of Chide.
   Chideth. [Obs.] --Chaucer.
   [1913 Webster]

WordNet (r) 3.0 (2006):

chit
    n 1: a dismissive term for a girl who is immature or who lacks
         respect; "she was incensed that this chit of a girl should
         dare to make a fool of her in front of the class"; "she's a
         saucy chit"
    2: the bill in a restaurant; "he asked the waiter for the check"
       [syn: check, chit, tab]