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bi-swing

American  
[bahy-swing] / ˈbaɪˌswɪŋ /

adjective

  1. (of a garment) made with a deep pleat starting at the back waistline or belt and extending up to the shoulder on each side, to avoid constriction when the wearer's arms are extended.

noun

  1. a garment made with such pleats at the back, especially a jacket.

Etymology

Origin of bi-swing

First recorded in 1965–70

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.