Extended Strong's Greek Lexicon (Abbott-Smith based)
worm
Usage: σκώληξ, -ηκος, ὁ [in LXX chiefly for תּוֹלָע and cogn. forms ;] a worm: of the kind which preys upon dead bodies, metaphorically, of fut. punishment, Mrk.9:48 (LXX, Isa.66:24; cf. Sir.7:17, Jdth.16:17).† (AS)