Source : Webster's Revised Unabridged Dictionary (1913)

Bit \Bit\, v. t. [imp. & p. p. {Bitted}; p. pr. & vb. n.
   {Bitting}.]
   To put a bridle upon; to put the bit in the mouth of.

Source : WordNet®

bit
     n 1: a small quantity; "a spot of tea"; "a bit of paper" [syn: {spot}]
     2: a small fragment of something broken off from the whole; "a
        bit of rock caught him in the eye" [syn: {chip}, {flake},
        {fleck}, {scrap}]
     3: an indefinitely short time; "wait just a moment"; "it only
        takes a minute"; "in just a bit" [syn: {moment}, {minute},
         {second}]
     4: an instance of some kind; "it was a nice piece of work"; "he
        had a bit of good luck" [syn: {piece}]
     5: piece of metal held in horse's mouth by reins and used to
        control the horse while riding; "the horse was not
        accustomed to a bit"
     6: a unit of measurement of information (from Binary + digIT);
        the amount of information in a system having two
        equiprobable states; "there are 8 bits in a byte"
     7: a small amount of solid food; a mouthful; "all they had left
        was a bit of bread" [syn: {morsel}, {bite}]
     8: a small fragment; "overheard snatches of their conversation"
        [syn: {snatch}]
     9: a short theatrical performance that is part of a longer
        program; "he did his act three times every evening"; "she
        had a catchy little routine"; "it was one of the best
        numbers he ever did" [syn: {act}, {routine}, {number}, {turn}]
     10: the cutting part of a drill; usually pointed and threaded
         and is replaceable in a brace or bitstock or drill press;
         "he looked around for the right size bit"
     [also: {bitting}, {bitted}]

bitting
     See {bit}

bit
     See {bite}
     [also: {bitting}, {bitted}]