הַרְבָּעָה, (רָבַע) the (forbidden) coupling of heterogeneous animals. Snh. 56ᵇ הַרְבָּעַת בהמה; Sifra Aḥaré Par. 9, ch. XIII. Ḥull. 71ᵃ לה׳ with reference to forbidden coupling; a. e.