1. split, slit; fissured. 2. crack, split; fissure; crevice. 3. med. infraction, incomplete fracture; greenstick fracture. 4. (a) chap, crack (in the skin). 5. chapped (skin). 6. (voice) which is uneven in tone, cracked. 7. colloq. mentally deficient, cracked, nuts, not all there. –– zurna colloq. chatterbox with a grating voice.