turtleneck
🇺🇸
/ˈtɜːrtlnek/
🇬🇧
/ˈtɜːtlnek/
A type of sweater that has a high, close-fitting collar that covers the neck.
She wore a thick turtleneck to keep warm during the winter.
A high, round collar created when the neck of a piece of clothing is folded over, or a piece of clothing with such a collar.
The dress had a turtleneck, which added a touch of elegance to the outfit.