Definition of biretta
: a square cap with three ridges on top worn by clergymen especially of the Roman Catholic Church
Origin of biretta
Italian berretta, from Old Occitan berret cap, from Medieval Latin birretum, from Late Latin birrus cloak with a hood, perhaps of Celtic origin; akin to Middle Irish berr short
First Known Use: 1598
Learn More about biretta
Britannica.com: Encyclopedia article about "biretta"
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