am·plex·us 
(ăm-plĕksəs)
(ăm-plĕksəs)n. pl. amplexus or am·plex·us·es
The copulatory embrace of frogs and toads, during which the male fertilizes the eggs that are released by the female.
[Latin amplexus, an embracing, from past participle of amplectī, to embrace : am-, ambi-, around; see AMBI- + plectere, to twine; see plek- in the Appendix of Indo-European roots.]