lip/palate [adjective]Bobby was born with a cleft lip and a cleft palate (= an opening in his lip and in the roof of his mouth which make it difficult for him to speak).(UK) We're really (caught) in a cleft stick (= are in a situation in which it is difficult to decide what to do).
CLEFT
Meaning of CLEFT in English
Cambridge English vocab. Кембриджский английский словарь. 2012