[ dal'matɪk ]
■ noun a wide-sleeved long, loose vestment open at the sides, worn by deacons and bishops, and by monarchs at their coronation.
Origin
ME: from OFr. dalmatique or late L. ~a , from ~a (vestis) '(robe) of (white) Dalmatian wool', from Dalmaticus 'of Dalmatia'.