STEP Hebrew Lexicon: רָבַע

1) to lie stretched out, lie down

1a) (Qal)

1a1) to lie down

1a1a) for repose

1a1b) for copulation (of woman with beast)

1b) (Hiphil) to cause to lay down (of cattle breeding)

Also means: re.va (רֶבַע "to lie down" H7252)