serve

(noun): An act of putting the ball or shuttlecock in play in various games.
(noun): A portion of food or drink, a serving.
(verb): (personal) To provide a service (or, by extension, a product, especially food or drink).
(verb): To treat (someone) in a given manner.
(verb): To be suitor to; to be the lover of.
(verb): To be effective.
(verb): To deliver a document.
(verb): To lead off with the first delivery over the net in tennis, volleyball, ping pong, badminton etc.
(verb): To copulate with (of male animals); to cover.
(verb): To be in military service.
(verb): To work, to operate (a weapon).
(verb): To work through (a given period of time in prison, a sentence).
(verb): To wind spun yarn etc. tightly around (a rope or cable, etc.) so as to protect it from chafing or from the weather.
(verb): To perform (a public obligation).
(verb): To provide crack cocaine (to), usually by selling, dealing, or distributing.