rabato

noun1

1. •
   Stiff collar, wired or starched, worn in the 16th and 17th centuries; sometimes used as a support for the ruff.

   • Margaret: Troth, I think your other rabato were better. Hero: No, pray thee, good Meg, I'll wear this. Margaret: By my troth's not so good; and I warrant your cousin will say so. — 1598