A high collar covering the neck; a turtleneck.(noun)
A light type of shirt with such a collar.(noun)
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Use "polo-neck" in a sentence
"After these, I'd defy even those black polo-neck jumpered types who put down "Apple" as their religion on the census form not to take a long, sober look at themselves – and the little black thing they're never without – and reconsider."
"And if you are stuck for an evening outfit as the nights grow chillier, don't forget the allure of a simple black cashmere polo-neck with black pants, accessorized with a single long string of pearls."
"I like Hussein Chalayan's ivory wool jumper (£495), Pringle of Scotland's gray cable-knit roll-neck (£895), Aubin & Wills's classic Aran "Calderwood" (£145) and Toast's baggy cashmere polo-neck (£300)."