BDB4206
[כֶּ֫רַע] noun [feminine] leg, (Late Hebrew כֶּרַע, Aramaic כַּרְעָא, [untranscribed source text 2656] — only dual feminine כְּרָעַיִם Lev 11:21 + 3 t.; כְּרָעָ֑יִם Lev 9:14 sf כְּרָעָיו Exod 12:9 + 3 t.; — two (bending) legs, of animals in ritual phrase of P , ראֹשׁוֺ עַלכְּֿרָעָיו Exod 12:9 his head with his legs, Lev 4:11 (ה)קרב(ו) ו(ה)כרע (יוׅ (his) inwards and ( his) legs Exod 29:17; Lev 1:9; Lev 1:13; Lev 8:21; Lev 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 אשׁר לוֺ כְרָעַיִם מִמַּעַל לְרַגְלָיו לְנַתֵּר בָּהֵן עַל הָאָרֶץ which have bending legs above their feet, etc.