资料来源 : pyDict

前庭

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vestibulum \Ves*tib"u*lum\, n.; pl. {Vestibula}. [L.,
   vestibule.] (Zo["o]l.)
   A cavity into which, in certain bryozoans, the esophagus and
   anus open.