English dictionary

orifice

/'/O/r/@/f/I/s/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

an aperture or hole that opens into a bodily cavity

noun.body

Examples
The orifice into the aorta from the lower left chamber of the heart.

Synonyms opening porta

Source: WordNet 3.0
A mouth or aperture, as of a tube, pipe, etc.; an opening; as, the <i>orifice</i> of an artery or vein; the <i>orifice</i> of a wound.

noun

Source: webster1913