A fleshy prominence associated with the genitals; especially (in some fishes) a small tube behind the anus through which the sperm or eggs are deposited.
Origin
Mid 19th century.
Definition of genital papilla in US English:
genital papilla
noun
Zoology
A fleshy prominence associated with the genitals; especially (in some fishes) a small tube behind the anus through which the sperm or eggs are deposited.