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1. A vestment with wide sleeves, and with two stripes, worn at Mass by deacons, and by bishops at pontifical Mass
    
2. A long wide-sleeved tunic, which serves as a liturgical vestment in the Roman Catholic and Anglican Churches and is worn by a deacon at the Eucharist or Mass and, although infrequently, by bishops as an undergarment above the alb

Derived forms: dalmatics

Encyclopedia: Dalmatic