buttoncollar

noun
UK /ˈbʌtənˌkɒlə/
US /ˈbʌtənˌkɑːlər/

The part of a shirt that goes around your neck and has a button on it.

He fastened the buttoncollar before putting on his tie.


OTHER MEANINGS

2. A collar style where the points are buttoned to the shirt front.

The dress code required a buttoncollar shirt.

3. The band of fabric at the top of a garment that closes with a button.

The buttoncollar on the uniform was frayed.

4. A detachable collar fastened with a button at the back.

Vintage buttoncollars were sold separately from shirts.