Crack To break or burst, with or without entire separation of the parts; as, to crack glass; to crack nuts.
Crack To rend with grief or pain; to affect deeply with sorrow; hence, to disorder; to distract; to craze.
Crack To cause to sound suddenly and sharply; to snap; as, to crack a whip.
Crack To utter smartly and sententiously; as, to crack a joke.
Crack To cry up; to extol; -- followed by up.
Crack To burst or open in chinks; to break, with or without quite separating into parts.
Crack To be ruined or impaired; to fail.
Crack To utter a loud or sharp, sudden sound.
Crack To utter vain, pompous words; to brag; to boast; -- with of.
Crack A partial separation of parts, with or without a perceptible opening; a chink or fissure; a narrow breach; a crevice; as, a crack in timber, or in a wall, or in glass.