a. Without a brim.

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1615.  G. Sandys, Trav., 76. High-crowned brimlesse caps of beaten gold.

2

1824.  Miss Mitford, Village, Ser. I. (1863), 14. He with the brimless hat.

3

1887.  Chambers’s Jrnl., IV. 1. A round, brimless sailor’s cap.

4