buccal cavity

English Thesaurus

1. the cavity between the jaws and the cheeks (noun.body)

hypernym	:	bodily cavity, cavity, cavum,
definition	:	(anatomy) a natural hollow or sinus within the body (noun.body)

part meronym	:	mouth, oral cavity, oral fissure, rima oris,
definition	:	the opening through which food is taken in and vocalizations emerge (noun.body)