柯林斯詞典cleft palate (cleft palates) 1. N-VAR If someone has a cleft palate, they were born with a narrow opening along the roof of their mouth which makes it difficult for them to speak properly. 齶裂 返回 cleft palate劍橋詞典an opening in the top of the mouth caused when a baby does not develop normally before it is born 齶裂 返回 cleft palate