amplexus(redirected from amplexuses)
Also found in: Dictionary, Encyclopedia.
am·plex·us(am-plek'sŭs), The plural of this word is amplexus, not amplexi.
The act of clasping of male to female at the time that eggs and sperm are discharged into the immediate environment simultaneously in those species; such as frogs, in which fertilization occurs externally; the male clasps the female closely.
[L. an embrace, fr. amplector, pp. -plexus, to wind around]
n. pl. amplexus or amplex·uses
The copulatory embrace of frogs and toads, during which the male fertilizes the eggs that are released by the female.