'Prayers' in the Bible

They were continually and faithfully devoting themselves to the instruction of the apostles, and to fellowship, to eating meals together and to prayers.

Cornelius was frightened and stared intently at him and said, “What is it, lord (sir)?” And the angel said to him, “Your prayers and gifts of charity have ascended as a memorial offering before God [an offering made in remembrance of His past blessings].