'Knees' in the Bible

So he brought down the people unto the water: and Jehovah said unto Gideon, Every one that lappeth of the water with his tongue, as a dog lappeth, him shalt thou set by himself; likewise every one that boweth down upon his knees to drink.

And the number of them that lapped, putting their hand to their mouth, was three hundred men: but all the rest of the people bowed down upon their knees to drink water.

And she made him sleep upon her knees; and she called for a man, and shaved off the seven locks of his head; and she began to afflict him, and his strength went from him.