orifice
n.
opening, aperture, hole into a passage (especially in the body, i.e. mouth, nostril, etc.)
Body orifice
A body orifice is an opening in the body of an animal. In a typical
mammalian body such as the
human body, the body orifices are:The
nostrils, for
breathing and the associated sense of
smell.The
eyes, for the sense of
sight and
crying.The
mouth, for
eating, breathing and vocalizations such as
speech.The
ear canals, for the sense of
hearing.The
anus, for
defecation.The
urethra, for
urination, and in
males, also for
ejaculation.In
females, the
vagina, for
sexual intercourse,
menstruation and
childbirth.The
breast, especially in females for breastfeeding.
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Orifice
orifice
Noun
1. an aperture or hole opening into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
(synonym) opening, porta
(hypernym) passage, passageway
(hyponym) vent
orifice (m)
n.
orifice, hole, aperture; spout, vent