A stiff cap with ridges across the crown; worn by Roman Catholic clergy.

synonyms: berretta, birretta.

Roget 999: canonicals, vestments; robe, gown, Geneva gown frock, pallium, surplice, cassock, dalmatic^†, scapulary^†, cope, mozetta^†, scarf, tunicle^†, chasuble, alb^†, alba^†, stole; fanon^†, fannel^†; tonsure, cowl, hood; calote^†, calotte^†; bands; capouch^†, amice^†; vagas^†, vakas^†, vakass^†; apron, lawn sleeves, pontificals^†, pall; miter, tiara, triple crown; shovel hat, cardinal's hat; biretta; crosier; pastoral staff, thurifer^†; costume etc. 225.    ... show more

Dutch: bonnet
Polish: biret