tank top

Origin of tank top

First recorded in 1945–50
Also called tank.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for tank top

tank top

noun
  1. a sleeveless upper garment with wide shoulder straps and a low neck, usually worn over a shirt, blouse, or jumper

Word Origin for tank top

C20: named after tank suits, one-piece bathing costumes of the 1920s worn in tanks or swimming pools
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 tank top
n.

1968, from tank suit "one-piece bathing costume" (1920s), so called because it was worn in a swimming tank (n.), i.e. pool.

Online Etymology Dictionary, © 2010 Douglas Harper