Strong’s Greek
G5612 — oruomai
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὠρύομαι
oruomai — pronounced o-roo'-om-ahee
middle voice of an apparently primary verb; to "roar":--roar.
1 occurrence in the KJV.
1 Peter 5:8
Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour: