1. (noun) an aperture or hole that opens into a bodily cavity

• opening
• orifice

1. (noun) an aperture or hole that opens into a bodily cavity

• anus
• aortic orifice
• blastopore
• cardia
• cervix
• cervix uteri
• uterine cervix
• external orifice
• urethral orifice
• fenestra
• fontanel
• fontanelle
• soft spot
• introitus
• mouth
• naris
• os
• porta hepatis
• pylorus
• rima
• spiracle
• stoma
• vent

1. (noun) an aperture or hole that opens into a bodily cavity

• passage
• passageway

1. (noun) an aperture or hole that opens into a bodily cavity

• afford
• give
• open
• open