H3767. kera
[כֶּ֫רַע] noun [feminine] leg, (Late Hebrew כֶּרַע, Aramaic כַּרְעָא, — only dual feminine כְּרָעַיִם [Lev 11:21] [3]t.; כְּרָעָ֑יִם [9:14]; sf כְּרָעָיו [Exod 12:9] [3]t.; — two (bending) legs, of animals in ritual phrase of P, עַלכְּֿרָעָיו ראֹשׁוֺ [12:9] his head with his legs, [Lev 4:11]; (יוׅ ו(ה)כרע (ה)קרב(ו) (his) inwards and (his) legs [Exod 29:17]; [Lev 1:9], [13]; [8:21]; [9:14]; [Amos 3:12] (of legs of lamb in mouth of lion); of the long bending hinder legs of the Saltatorial Orthoptera (see TristrNat. Hist. Bib. 309; DrJoel 84) [Lev 11:21] הָאָרֶץ עַל בָּהֵן לְנַתֵּר לְרַגְלָיו מִמַּעַל כְרָעַיִם לוֺ אשׁר which have bending legs above their feet, etc.