ETYM French rousset, dim. of roux red, Latin russus (for rudtus, rudhtus), akin to Eng. red. Related to Red, Roussette.
Brown with a reddish tinge.

1. North American diving duck with a gray-and-black body and reddish-brown head; SYN. Aythya americana.
2. Someone who has red hair; SYN. redheader, carrottop.