Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun external_orifice

1 sense of external orifice

Sense 1
urethral orifice, external orifice -- (the orifice through which urine is discharged)
       => orifice, opening, porta -- (an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart")