Dal·mat'i·ca noun , Dal*mat'ic noun [ Late Latin dalmatica : confer French dalmatique .] 1. (R. C. Ch.) A vestment with wide sleeves, and with two stripes, worn at Mass by deacons, and by bishops at pontifical Mass; -- imitated from a dress o... Found on http://www.encyclo.co.uk/webster/D/3
A dalmatica is a wide-sleeved tunic-like vestment, open at the sides, originally worn by Roman noblemen from the 2nd century and made of Dalmatian wool, they are now worn by deacons and bishops. Found on http://www.probertencyclopaedia.com/browse/PD.HTM