Also found in: Thesaurus.
A broad white collar worn over the lapels of a jacket.
[After Eton College, England.]
(Clothing & Fashion) a broad stiff white collar worn outside an Eton jacket
a broad stiff collar, orig. of linen, as that worn folded outside an Eton jacket.
A high, stiff, white collar, especially one turned down onto the lapels of a jacket.