Dal-măt'i-că, n.

n. [L. Lat. dalmatica.]

1. (Eccl.) A long white gown with sleeves, worn over the alb and stole, by deacons in the Roman Catholic church, and imitated from a dress originally worn in Dalmatia.
2. A similar robe worn by kings in the middle ages on solemn occasions. [Written also dalmatic.]

Fosbroke.