cleft palate 
noun
A congenital split in the roof of the mouth.Around 70% of babies with cleft lips also have cleft palates....
- Many patients had cleft lips, cleft palates, burns, or extra or fused fingers or toes.
- A cleft palate is an opening between the roof of the mouth and the nasal cavity.
- off-message
- off-microphone
- off-mike
- off-network
- Off-Off
- off-off-Broadway
- off-off Broadway
- off-off-off Broadway
- off one's chump
- off one's face
- off one's feed
- off one's feet
- off one's nana
- off one's nut
- off one's own bat
- off one's rocker
- off one's scone
- off one's trolley
- off (or on) one's game
- off (or on) the bone
- off (or on) the bridle
- off (or out of) form
- off (or out of) one's head
- off (or way off) beam
- off (or wide of) the mark