Extended Strong's Greek Lexicon (Abbott-Smith based)
wild animal
Usage: θηρίον, -ου, τό (dimin. of θήρ), [in LXX chiefly for חַי ;] a wild beast, beast: Mrk.1:13, Act.11:6 28:4-5, Tit.1:12, Heb.12:20, Jas.3:7, Rev.6:8; of Antichrist, Rev.11:7, 13-19.† (AS)