n. One who serves.n. Specificallyn. In the Roman Catholic and Anglican churches, an attendant on the priest at a low celebration of the eucharist, who helps the priest to vest and unvest, arranges the service-book, lights and extinguishes the altar-lights, places the elements and cruets on the credence and brings them to the priest at the offertory, brings the priest the basin and towel and pours the water at the lavabo, pours out the ablutions of wine and water, and ministers in other ways. The server is usually a boy or other layman, and represents, as far as a layman can, the priest's assistants and the choir at a high celebration.n. One who serves up a meal, or sets the dishes on table.n. In the game of tennis or of lawn-tennis, the player who serves or strikes the ball first. See lawn-tennis.n. That which serves or is used in serving.n. A male animal, particularly a bull, that copulates with, or serves, the female.