serving
/ˈsɜːvɪŋ/
(personal) To provide a service (or, by extension, a product, especially food or drink).
To treat (someone) in a given manner.
To be suitor to; to be the lover of.
To be effective.
To deliver a document.
To lead off with the first delivery over the net in tennis, volleyball, ping pong, badminton etc.
To copulate with (of male animals); to cover.
To be in military service.
To work, to operate (a weapon).
To work through (a given period of time in prison, a sentence).
To wind spun yarn etc. tightly around (a rope or cable, etc.) so as to protect it from chafing or from the weather.
To perform (a public obligation).
I've received a summons for jury duty. It says I serve one day or one trial.
To provide crack cocaine (to), usually by selling, dealing, or distributing.