'Virgin' in the Bible

See now, I have two virgin daughters. Please let me bring them out to you, and you may do to them what seems good to you. Only don't do anything to these men, because they have come under the shadow of my roof."

And the damsel was very fair to look upon, a virgin, neither had any man known her: and she went down to the well, and filled her pitcher, and came up.

Behold, I stand by the well of water; and it shall come to pass, that when the virgin cometh forth to draw water, and I say to her, Give me, I pray thee, a little water of thy pitcher to drink;