(computing) A program that provides services to other programs or devices, either in the same computer or over a computer network.
(computing) A computer dedicated to running such programs.
A noun "server" represents someone who serves, such as a waitress or waiter, the player who serves the ball in tennis or volleyball, or a priest's attendant at the celebration of the eucharist in christianity.
A tray for dishes.
A spoon for serving food.