Brooch \Brooch\ (br[=o]ch; 277), n. [See {Broach}, n.] 1. An ornament, in various forms, with a tongue, pin, or loop for attaching it to a garment; now worn at the breast by women; a breastpin. Formerly worn by men on the hat.
Honor 's a good brooch to wear in a man's hat. --B. Jonson.
2. (Paint.) A painting all of one color, as a sepia painting, or an India painting.
Brooch \Brooch\, v. t. [imp. & p. p. {Brooched} (br[=o]cht).] To adorn as with a brooch. [R.]