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sectional

[sek-shuh-nl]
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adjective
  1. pertaining or limited to a particular section; local or regional: sectional politics.
  2. composed of several independent sections: a sectional sofa.
  3. of or relating to a section: a sectional view of the machine.
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noun
  1. a sofa composed of several independent sections that can be arranged individually or in various combinations.
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Origin of sectional

An Americanism dating back to 1800–10; section + -al1
Related formssec·tion·al·ly, adverbmul·ti·sec·tion·al, adjectivenon·sec·tion·al, adjectivenon·sec·tion·al·ly, adverbun·sec·tion·al, adjectiveun·sec·tion·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for multisectional

sectional

adjective
  1. composed of several sections
  2. of or relating to a section
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Derived Formssectionally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for multisectional

sectional

adj.

1806; see section (n.) + -al (1). Noun meaning "piece of furniture composed of sections which can be used separately" is attested by 1961, from sectional seat, sectional sofa, etc. (1949).

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Online Etymology Dictionary, © 2010 Douglas Harper