alb(n = noun.artifact) - a white linen liturgical vestment with sleeves; worn by priests;
is a kind of vestment
A vestment of white linen, reaching to the feet, an enveloping the person; -- in the Roman Catholic church, worn by those in holy orders when officiating at mass. It was formerly worn, at least by clerics, in daily life. [1913 Webster]
alb, n. a white vestment reaching to the feet, worn by some Christian priests at church ceremonies.
Etymology:
OE albe f. eccl.L alba fem. of L albus white
N canonicals, vestments, robe, gown, Geneva gown frock, pallium, surplice, cassock, dalmatic, scapulary, cope, mozetta, scarf, tunicle, chasuble, alb, alba, stole, fanon, fannel, tonsure, cowl, hood, calote, calotte, bands, capouch, amice, vagas, vakas, vakass, apron, lawn sleeves, pontificals, pall, miter, tiara, triple crown, shovel hat, cardinal's hat, biretta, crosier, pastoral staff, thurifer, costume.