Definition
noun
The outermost portion forming an entrance into the alimentary canal, bounded by lips and cheeks, and serves to receive food and initiate (mechanical) digestion.
Supplement
Word origin: Late Latin ōrālis, from Latin ōs, ōr-, mouth + Latin vestibulum, forecourt, entrance.
Synonym: vestibulum oris, vestibule of mouth.
Definition noun The outermost portion forming an entrance into the alimentary canal, bounded by lips and cheeks, and serves to receive food and initiate (mechanical) digestion. Supplement Word origin: Late Latin ōrālis, from Latin ōs, ōr-, mouth + Latin vestibulum, forecourt, entrance. Synonym: vestibulum oris, vestibule of mouth...
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