Designating an object which is distinguished from others of the same type by having a (more or less)… Designating any distinctive style of hat with…

= four-cornered adj.

Esp. of a hat: adorned with a scallop shell as a badge of pilgrimage (see cockleshell, n. 1b). Cf. cockle hat n. at cockle, n.2 compounds 3, cockle-s…

Without feathers, in various senses.

As a modifier. Designating a hat made by the Christy company, esp. a bowler hat with a rounded crown and narrow brim. Also applied more generally to…

Originally: (of a hat) made by drawing a soft cover or nap (cf. sense A. 2a) over a frame. Now chiefly: designating a close-fitting hat made of a…

(of a hat) having a pugree; (of a person) wearing a pugree.

the shape worn by sailors, the shape of a sailor hat (also attributive as adj.).

of a hat, hair, etc.: not covering or shading any part of the face.

furnished with weepers.