Pronunciation: (ru-bä'tō, -bā'-), [key]
1. a wide, stiff collar of the 17th century, worn flat over the shoulders or open in front and standing at the back.
2. a stiff frame of wire or wood worn in the 17th century as a support for a ruff or stand-up collar. Also,rebato.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.