biretta 也作 be.ret.ta 或 ber.ret.ta
n.（名词）A stiff square cap with three or four ridges across the crown. Birettas are worn especially by Roman Catholic clergy and are black for priests, purple for bishops, and red for cardinals.法冠：帽顶有三或四道边的硬方帽，尤为罗马天主教教士所戴，牧师戴黑色，主教戴紫色，红衣主教戴红色
来源：Italian berretta 意大利语 berretta from Old Provenôal berret [cap] 源自 古普罗旺斯语 berret [帽] from Late Latin birrus [hooded cloak] 源自 后期拉丁语 birrus [有头罩的外套] [probably of Celtic origin] [可能源于凯尔特语的]
