'Prayers' in the Bible

They received divine help in fighting them, and the Hagrites and all their allies were handed over to them. They cried out to God during the battle; he responded to their prayers because they trusted in him.

He appointed some of the Levites to serve before the ark of the Lord, to offer prayers, songs of thanks, and hymns to the Lord God of Israel.

And David put up an altar there to the Lord, offering burned offerings and peace-offerings with prayers to the Lord; and he gave him an answer from heaven, sending fire on the altar of burned offering.