primarily denotes "a member of a body," especially the external and prominent members, particularly the feet, and so, a dead body (see, e.g., the Sept., in Lev 26:30, Num 14:29, Num 14:32, Isa 66:24, etc.). The word is used in Heb 3:17, from Num 14:29, Num 14:32.
<2,,4430, ptoma>
see BODY, No. 3.