'Prayer' in the Bible

As for Ishmael, I have given ear to your prayer: truly I have given him my blessing and I will make him fertile and give him great increase; he will be the father of twelve chiefs, and I will make him a great nation.

So now, give the man back his wife, for he is a prophet, and let him say a prayer for you, so your life may be safe: but if you do not give her back, be certain that death will come to you and all your house.

Then Abraham made prayer to God, and God made Abimelech well again, and his wife and his women-servants, so that they had children.

Isaac went out to bow down [in prayer] in the field in the [early] evening; he raised his eyes and looked, and camels were coming.

Isaac prayed to the Lord on behalf of his wife because she was childless. The Lord heard his prayer, and his wife Rebekah conceived.

But the children struggled together within her [kicking and shoving one another]; and she said, “If it is so [that the Lord has heard our prayer], why then am I this way?” So she went to inquire of the Lord [praying for an answer].

Then Rachel said, "God has vindicated me. He has responded to my prayer and given me a son." That is why she named him Dan.

So Rachel said, “With mighty wrestlings [in prayer to God] I have struggled with my sister and have prevailed.” So she named him Naphtali (my wrestlings).

God listened and answered [the prayer of] Leah, and she conceived and gave birth to a fifth son for Jacob.

Then God gave thought to Rachel, and hearing her prayer he made her fertile.