Longman Dictionary of Contemporary English
Wiktionary
n. (context teratology English) An abnormal condition in which the two plates of the skull that form the hard palate (roof of the mouth) are not completely joined.
WordNet
n. a congenital fissure of the hard palate
Usage examples of "cleft palate".
He had the snout-like upper lip that sometimes goes with a cleft palate, but he said nothing and Bond had no opportunity of knowing whether his guess was right.
Kapernaumov is a lame man with a cleft palate and all of his numerous family have cleft palates too.
Despite the cleft palate and the skin ailment that made her face like the scaly back of a fish, she could come closest to stirring him.
Lincoln chattering away about plans for the evening, 12-year-old Tad of the cleft palate lisping a complaint that ``nobody asked me to go,'' and young Robert Lincoln, just returned from duty, bubbling with stories about his hero Ulysses Grant and the last days of the war.