Answer:

birettas

Answer	Crossword Clue
BIRETTAS	Clerical caps
BIRETTAS	Clergy caps
BIRETTAS	Clergymen's headwear

BIRETTAS	Ecclesiastical caps
BIRETTAS	Cardinals' peaked caps
BIRETTAS	Square caps worn by ecclesiastics.
BIRETTAS	Bishops' purple hats.
BIRETTAS	Cardinals wear them.
BIRETTAS	Churchly caps.
BIRETTAS	Clerical hats.
BIRETTAS	Caps

BIRETTAS	Headgear for clergymen
BIRETTAS	Priests' hats
BIRETTAS	Jesuits' caps
BIRETTAS	Caps for Roman Catholic clergy