Extended Strong's Greek Lexicon (Abbott-Smith based)
fearful thing
Usage: φόβητρον (LTr., WH, -θρον), -ου, τό (φοβέω), [in LXX: Isa.19:17 (חָגָא) * ;] that which causes fright, a terror: pl. (as always, exc.Isa, l.with), Luk.21:11 (Hipp., Plat.).† (AS)