Strong's G3455 · Greek

μυκάομαι

mukaomai · moo-kah'-om-ahee

from a presumed derivative of muzo ( to "moo"); to bellow (roar)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 ** μυκάομαι , -ῶμαι , in cl. chiefly poët., [in Sm.: Jb 6:5 *;] prop., of oxen (onomatop.), to low , bellow ; of a lion, to roar : Re 10:3 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain