'Foreskin' in the Bible

And you shall circumcise the flesh of your foreskin, and it shall be a sign of the covenant between me and you.

And [as for any] uncircumcised male who has not circumcised the flesh of his foreskin, that person shall be cut off from his people. He has broken my covenant.

And Abraham took Ishmael his son and all who were born of his house, and all [those] acquired by his money, every male among the men of Abraham's house, and he circumcised the flesh of their foreskin on the same day that God spoke with him.

Abraham [was] ninety-nine years old when he circumcised the flesh of his foreskin.

And Ishmael his son [was] thirteen years old when he circumcised the flesh of his foreskin.

But Zipporah took a flint [knife], and she cut off the foreskin of her son, and she touched his feet, and she said, "Yes, you [are] a bridegroom of blood to me."

So you shall circumcise the foreskin of your heart, and {do not be stubborn}.

"Look, days [are] coming," {declares} Yahweh, "and I will call into account all those who are circumcised in [the] foreskin: