STEP Greek Lexicon: σημαίνω

σημαίνω

(σῆμα, a sign), [in LXX for רוּעַ hi., תָּקַע, etc. ;]

to give a sign, signify, indicate: with accusative of thing(s), Act.25:27, Rev.1:1 (cf. MM, xxii); with accusative and inf., Act.11:28; before quæst. indir., Jhn.12:33 18:32 21:19.†

(AS)