'Known' in the Bible

Then three thousand men of Judah went down to the cleft of the rock of Etam and said to Samson, “Have you not known that the Philistines are rulers over us? What is this that you have done to us?” He said to them, “As they did to me, so I have done to them.”

Now she had men lying in ambush in an inner room. And she said to him, “The Philistines are upon you, Samson!” And he broke the cords as a string of tow breaks when it touches fire. So [the secret of] his strength was not discovered.

And they found among the inhabitants of Jabesh-gilead four hundred young virgins who had not known a man intimately; and they brought them to the camp at Shiloh, which is in the land of Canaan.