Strong's #3769: oura (pronounced oo-rah')

apparently a primary word; a tail:--tail.

Thayer's Greek Lexicon:

̓́

oura

1) a tail

Part of Speech: noun feminine

Relation: apparently a root word

Usage:

This word is used 5 times:

 

Revelation 9:10: "And they had tails like unto scorpions, and there were stings"
Revelation 9:10: "stings in their tails: and their power was to hurt"
Revelation 9:19: "and in their tails: for their tails were like unto"
Revelation 9:19: "tails: for their tails were like unto serpents, and had heads,"
Revelation 12:4: "And his tail drew the third part of the stars"