Extended Strong's Greek Lexicon (Abbott-Smith based)
to slaughter
Usage: σφάζω [in LXX chiefly for שָׁחַט ;] to slay, slaughter (esp. of victims for sacrifice): ἀρνίον, Rev.5:6, 12 13:8; of persons, 1Jn.3:12, Rev.5:9 6:4, 9 18:24; ἐσφαγμένη εἰς θάνατον (RV, smitten unto death), Rev.13:3 (cf. κατα-σφάζω).† (AS)