'Relations' in the Bible

They got up early the next morning and worshipped in the LORD's presence, and then they returned and came to their house at Ramah. Elkanah had marital relations with his wife Hannah, and the LORD 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."