Definitions
1.nounAn item of furniture composed of modular sections; usually specifically a sectional sofa
2.nounA tournament or match held at the section level, typically between the regionals and the championships
3.nounA band sectional, in which one section of a band or orchestra practices separately
4.adjectiveRelating to a section.
5.adjectiveSeparating into sections."Our new sectional couch divided into pieces, but the pieces still wouldn't fit through the door."
6.adjectiveRelating to conflict between areas."The U.S. civil war can be considered a sectional dispute."