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definitions

sport shirt

or sports shirt

noun
  1. a long- or short-sleeved soft shirt for informal wear by men, having a squared-off shirttail that may be left outside the trousers, usually worn without a tie.
Compare dress shirt.

Origin of sport shirt

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for sports shirt

sports shirt

noun
  1. a man's informal shirt, sometimes of knitted wool or cotton, which may be worn outside the trousers
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