They rose up in the morning early, and worshiped before Yahweh, and returned, and came to their house to Ramah: and Elkanah knew Hannah his wife; and Yahweh remembered her.
and Elkanah knew Hannah his wife: cohabited with her as a man with his wife; it is a modest expression of the conjugal act; see Genesis 4:1 and is observed to show that the conception and birth of Samuel were not in a supernatural way, but in the ordinary way and manner of generation: