turtleneck
turtle|neck /t'ɜːrtəlnek/ (turtlenecks)
1 [N-COUNT]
A turtleneck or turtleneck sweater is a sweater with a short round collar that fits closely around your neck. (BRIT; in AM, use mock turtleneck)
2 [N-COUNT]
A turtleneck or turtleneck sweater is a sweater with a high neck which folds over. (AM; in BRIT, use polo neck)
1 [N-COUNT]
A turtleneck or turtleneck sweater is a sweater with a short round collar that fits closely around your neck. (BRIT; in AM, use mock turtleneck)
2 [N-COUNT]
A turtleneck or turtleneck sweater is a sweater with a high neck which folds over. (AM; in BRIT, use polo neck)