oral_cavity
1. [ noun ] (anatomy,zoology) the opening through which food is taken in and vocalizations emerge
Synonyms: mouth rima_oris oral_fissure
Examples:

"he stuffed his mouth with candy"

Related terms: cavity rima trap mouth tooth tongue palate dentition gingiva salivary_gland buccal_cavity talk
Similar spelling:   oral_cancer
  oral_exam
  oral_contract