sectional

An item of furniture composed of modular sections; usually specifically a sectional sofa

A tournament or match held at the section level, typically between the regionals and the championships

A band sectional, in which one section of a band or orchestra practices separately

Relating to a section.

Separating into sections.

“Our new sectional couch divided into pieces, but the pieces still wouldn't fit through the door.”

Relating to conflict between areas.

“The U.S. civil war can be considered a sectional dispute.”