noun
an aperture or hole that opens into a bodily cavity
-
the orifice into the aorta from the lower left chamber of the heart
• Hypernyms: ↑passage, ↑passageway
• Hyponyms:
↑vent, ↑blastopore, ↑aortic orifice, ↑stoma, ↑porta hepatis, ↑spiracle, ↑mouth, ↑os, ↑cervix, ↑uterine cervix, ↑cervix uteri, ↑fenestra, ↑cardia, ↑introitus, ↑urethral orifice, ↑external orifice, ↑pylorus, ↑anus, ↑fontanelle, ↑fontanel, ↑soft spot, ↑naris, ↑rima
Useful english dictionary. 2012.