Definition:
κράζω [in LXX for זָעַק, צָעַק, קָרָא, etc;] in cl. chiefly poët, 1) prop. onomatop, of the raven, to croak, hence generally, of inartic. cries, to scream, cry out (Æsch, al.): Mrk.5:5 9:26 15:39 (Rec, R, mg.), Luk.9:39, al; of crying for vengeance (cf. Gen.4:10), Jas.5:4. 2) to cry, call out with a loud voice: with accusative of thing(s), Act.19:32; before orat. dir, Mrk.10:48, Luk.18:39, al; (ἐν) φωνῇ μεγάλῃ, Mrk.5:7, Rev.14:15, al; λέγων, Mat.8:29, al; of public teaching, Jhn.1:15, Rom.9:27, al; of importunate prayer (cf. Job.35:12, Psa.3:5, al.), Rom.8:15, Gal.4:6; pf. with Pres. sense (vernac; M, Pr., 147), Jhn.1:15 SYN.: see: βοάω (AS)
Definition:
properly, to "croak" (as a raven) or scream, i.e. (genitive case) to call aloud (shriek, exclaim, intreat); cry (out); a primary verb;