'Knees' in the Bible

and having bowed the knees, he cried with a loud voice, 'Lord, mayest thou not lay to them this sin;' and this having said, he fell asleep.

And Peter having put them all forth without, having bowed the knees, did pray, and having turned unto the body said, 'Tabitha, arise;' and she opened her eyes, and having seen Peter, she sat up,

And these things having said, having bowed his knees, with them all, he did pray,

but when it came that we completed the days, having gone forth, we went on, all bringing us on the way, with women and children, unto the outside of the city, and having bowed the knees upon the shore, we prayed,