- a knitted cotton short-sleeved shirt with a collar and three-button opening at the neck
WordReference Random House Unabridged Dictionary of American English © 2020
Clothinga short-sleeved, pullover sport shirt, usually of cotton or cottonlike knit, with a round neckband or a turnover collar. Also called polo.
Collins Concise English Dictionary © HarperCollins Publishers::
polo shirt n
'polo shirt' also found in these entries (note: many are not synonyms or translations):