'Heel' in the Bible

And I will put enmity between thee and the woman, and between thy seed and her seed; he shall crush thy head, and thou shalt crush his heel.

And after that came his brother out; and his hand took hold of Esau's heel; and his name was called Jacob. And Isaac was sixty years old when they were born.

Gad troops will rush upon him; But he will rush upon the heel.

The gin taketh him by the heel, the snare layeth hold on him;

Yea, mine own familiar friend, in whom I confided, who did eat of my bread, hath lifted up his heel against me.

He took his brother by the heel in the womb, and in his strength he wrestled with God.

I speak not of you all. I know those whom I have chosen; but that the scripture might be fulfilled, He that eats bread with me has lifted up his heel against me.