teeth, dentition - the kind and number and arrangement of teeth (collectively) in a person or animal

glossa, lingua, tongue, clapper - a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity

mouth - the externally visible part of the oral cavity on the face and the system of organs surrounding the opening; "she wiped lipstick from her mouth"

cakehole, maw, yap, gob, trap, hole - informal terms for the mouth

buccal cavity - the cavity between the jaws and the cheeks

gingiva, gum - the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth

palate, roof of the mouth - the upper surface of the mouth that separates the oral and nasal cavities

salivary gland - any of three pairs of glands in the mouth and digestive system that secrete saliva for digestion

rima - a narrow elongated opening or fissure between two symmetrical parts