1. a sweater or shirt with a high, close-fitting collar that covers the neck

Examples

• She wore a black turtleneck sweater to the meeting.
• The turtleneck kept him warm during the cold winter walk.
• He prefers turtlenecks over regular sweaters in the fall.
• The wool turtleneck was soft and comfortable.
• She pulled the turtleneck up over her chin.
• The store had turtlenecks in several different colors.