μυκάομαι G3455
mykáomai · moo-kah'-om-ahee · Verb
from a presumed derivative of ( to "moo"); to bellow (roar):--roar.
1 Occurrence in the King James Bible
Revelation 10:3And cried with a loud voice, as when a lion roareth: and when he had cried, seven thunders uttered their voices.