'Sections' in the Bible

they placed the fat portions on the breast sections, and he turned the fat portions into smoke on the altar.

Then Aaron waved the breast sections and the right upper thigh [as] a wave offering {before} Yahweh, [just] as Moses had commanded.

Then they set the priests in their divisions and the Levites in their sections for the work of God in Jerusalem, as it is written in the book of Moses.