'Sexual Relations' in the Bible

Then they rose early in the morning and worshiped before Yahweh {and returned} to their house at Ramah. Then Elkanah {had sexual relations with} Hannah his wife, and Yahweh remembered her.

Now Eli was very old, and he heard all that his sons were doing to all Israel and that they [were] having sexual relations with the women who [were] serving [at] the entrance of [the] tent of assembly.

The priest replied to David, "I don't have any ordinary bread at my disposal. Only holy bread is available, and then only if your soldiers have abstained from sexual relations with women."