קָפִיץ, pl. קְפִיצִין (cmp. קָפַץ; קֶבֶץ, a. Syr. קופסא poples, P. Sm. 3696) joints, hams of the knee. Gen. R. s. 65 (ref. to Ez. I, 7) אין להם ק׳ they have no joints (cannot bend their knees). Lev. R. s. 6; Pesik. R. s. 22 מלאכי … ק׳ the angels of destruction have no joints (cannot sit or lie down); a. e.—Tosef. Par. XI (X), 1 ספק הקְפָצִין a doubtful levitical uncleanness based on contact with one’s legs, opp. to הידים.