עָרְפָּא, = h. עוֹרֶף. (in singular sense). Yalk. Lev. 665 חמי ע׳ חמי קדרון (read: קדלין) look at the (fat) neck, look at the back; [obviously one a gloss to the other; differ. in Lev. R. s. 34, a. Koh. R. to V, 13].