To rend, break, or burst into chinks; to break partially; to divide the parts a little from each other; as, to crack a board or a rock; or to break without an entire severance of the parts; as, to crack glass, or ice.

To break in pieces; as, to crack nuts.

To break with grief; to affect deeply; to pain; to torture; as, to crack the heart. We now use break, or rend.

To open and drink; as, to crack a bottle of wine.

To thrust out, or cast with smartness; as, to crack a joke.

To snap; to make a sharp sudden noise; as, to crack a whip.

To break or destroy.

To impair the regular exercise of the intellectual faculties; to disorder; to make crazy; as, to crack the brain.

To burst; to open in chinks; as, the earth cracks by frost; or to be marred without an opening; as, glass cracks by a sudden application of heat.

To fall to ruin, or to be impaired. The credit of the exchequer cracks, when little comes in and much goes out.

To utter a loud or sharp sudden sound; as, the clouds crack; the whip cracks.

To boast; to brag; that is, to utter vain, pompous, blustering words; with of. The Ethiops of their sweet complexion crack.

A disruption; a chinkor fissure; a narrow breach; a crevice; a partial separation of the parts of a substance, with or without an opening; as a crack in timber, in a wall, or in glass.

A burst of sound; a sharp or loud sound, uttered suddenly or with vehemence; the sound of any thing suddenly rent; a violent report; as the crack of a falling house; the crack of a whip.

Change of voice in puberty.

Craziness of intellect; or a crazy person.

A boast, or boaster. J .

Breach of chastity; and a prostitute.

Alad; an instant.