<p><strong>Adjective</strong></p><ul><li>pertaining or limited to a particular section; local or regional: sectional politics.</li><li>composed of several independent sections: a sectional sofa.</li><li>of or relating to a section: a sectional view of the machine.</li></ul><p><strong>Noun</strong></p><ul><li>a sofa composed of several independent sections that can be arranged individually or in various combinations.</li></ul>