οὐρά

And they had tails like unto scorpions, and there were stings in their tails: and their power was to hurt men five months.

For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.

And his tail drew the third part of the stars of heaven, and did cast them to the earth: and the dragon stood before the woman which was ready to be delivered, for to devour her child as soon as it was born.