/am plek"seuhs/ , n. , pl. amplexuses, amplexus .
the clasping posture of fertilization in frogs and toads.
[ 1925-30; amplect ( i ) to embrace ( am-, var. of ambi- AMBI- + plecti, deponent of plectere to plait, twine; cf. COMPLEX, PLEXUS) + -tus suffix of v. action ]