'Ewe' in the Bible

Then Abraham set seven ewe lambs apart from the flock by themselves.

Abimelech asked Abraham, "What is the meaning of these seven ewe lambs that you have set apart?"

He replied, "You must take these seven ewe lambs from my hand as legal proof that I dug this well."

and he must present his offering to the Lord: one male lamb in its first year without blemish for a burnt offering, one ewe lamb in its first year without blemish for a purification offering, one ram without blemish for a peace offering,