'Biretta' definitions:

Definition of 'biretta'

From: WordNet
noun
A stiff cap with ridges across the crown; worn by Roman Catholic clergy [syn: biretta, berretta, birretta]

Definition of 'Biretta'

From: GCIDE
  • Biretta \Bi*ret"ta\, n. Same as Berretta. [1913 Webster]

Definition of 'biretta'

From: GCIDE
  • Berretta \Ber*ret"ta\, n. [It., fr. LL. birrettum, berretum, a cap, dim. of L. birrus, birrum, a cloak to keep off rain, cf. Gr. ? tawny, red: cf. Sp. birreta, Pg. barrete, and E. Barret.] A square cap worn by ecclesiastics of the Roman Catholic Church. A cardinal's berretta is scarlet; that worn by other clerics is black, except that a bishop's is lined with green. [Also spelt beretta, biretta, etc.] [1913 Webster]