'Feet' in the Bible

And when he lies, take notice of the place where he lies. And you shall go and {uncover} his feet and lie [down], and he shall tell you what to do."

And Boaz ate and drank [until] his heart was {merry} [and then] he came to lie at the end of the grain heap. And she came in quietly and {uncovered} his feet and lay down.

And it happened in the middle of the night the man was startled and he reached out and behold, a woman [was] lying at his feet.

So she lay at his feet until morning and got up before {anyone could recognize each other}. And he said, "It must not be known that {you} came [to] the threshing floor."