Webster's Revised Unabridged Dictionary · 1913

Piccadil

Piccadil , noun

[Old French piccagilles the several divisions of pieces fastened together about the brim of the collar of a doublet, a dim. from Sp. picado, past participle of picar to prick. See Pike.]

A high, stiff collar for the neck; also, a hem or band about the skirt of a garment, -- worn by men in the 17th century.

Also: Piccadilly