Jan 152009
![[biretta]](http://saints.sqpn.com/ncd01289.gif "2kb gif New Catholic Dictionary illustration for 'biretta'")
Stiff, square cap with three or four ridges on its upper surface, worn by clerics, whose rank is distinguished by its color, when entering sanctuary for Mass and at other functions.
Stiff, square cap with three or four ridges on its upper surface, worn by clerics, whose rank is distinguished by its color, when entering sanctuary for Mass and at other functions.