[1] : The Collaborative International Dictionary of English v.0.48

crack \crack\ kra^k, v. t. imp.  p. p. cracked
   kra^kt; p. pr.  vb. n. cracking. oe. cracken,
   craken, to crack, break, boast, as. cracian, cearcian, to
   crack; akin to d. kraken, g. krachen; cf. skr. garj to
   rattle, or perh. of imitative origin. cf. crake,
   cracknel, creak.
   1913 webster
   1. to break or burst, with or without entire separation of
      the parts; as, to crack glass; to crack nuts.
      1913 webster

   2. to rend with grief or pain; to affect deeply with sorrow;
      hence, to disorder; to distract; to craze.
      1913 webster

            o, madam, my old heart is cracked.    --shak.
      1913 webster

            he thought none poets till their brains were
            cracked.                              --roscommon.
      1913 webster

   3. to cause to sound suddenly and sharply; to snap; as, to
      crack a whip.
      1913 webster

   4. to utter smartly and sententiously; as, to crack a joke.
      --b. jonson.
      1913 webster

   5. to cry up; to extol; -- followed by up. low
      1913 webster

   to crack a bottle, to open the bottle and drink its
      contents.

   to crack a crib, to commit burglary. slang

   to crack on, to put on; as, to crack on more sail, or more
      steam. colloq.
      1913 webster
see also:
cracked cracking crake cracknel creak to crack a bottle 
to crack a crib to crack on 

Crack >> C Words
Crack, definition of term: Crack
crack_pag1.html

Crack Up >> C Words
Crack Up, definition of term: Crack Up
crack+up_pag1.html

Crack Down >> C Words
Crack Down, definition of term: Crack Down
crack+down_pag1.html

Crack Shot >> C Words
Crack Shot, definition of term: Crack Shot
crack+shot_pag1.html