Noun: mock turtleneck
- A sweater with a short polo neck collar that does not fold down
"He wore a mock turtleneck under his blazer for a smart-casual look";
- mock polo neck [Brit]
Derived forms: mock turtlenecks
Type of: polo neck [Brit, Cdn], polo-neck [Brit], turtle [N. Amer], turtleneck [N. Amer]
Encyclopedia: Mock turtleneck