a stiff turned-up shirt collar worn with the points turned down over the tie
WordReference Random House Unabridged Dictionary of American English © 2025
wing′ col′lar,
- Clothinga stand-up collar having the front edges or corners folded down, worn by men for formal or evening dress.
- 1910–15
Collins Concise English Dictionary © HarperCollins Publishers::
'wing collar' also found in these entries (note: many are not synonyms or translations):