session

Etymology

From Middle English session, from Old French session, from Latin sessiō (“a sitting”), from sedeō (“sit”).

noun

1. A period devoted to a particular activity, e.g. the annual or semiannual periods of a legislative body (that together comprise the legislative term) whose individual meetings are also called sessions.
   a training session
   "Are we having a recording session?" / "Yes. We've even got some session musicians to provide some brass."
   Alternatively, if the patient is stuck ritualizing before session, then the therapist might want to create contingencies that might help the patient come in on time 2009, Michael Otto, Stefan G. Hofmann, Avoiding Treatment Failures in the Anxiety Disorders, page 137
2. A meeting of a council, court, school, or legislative body to conduct its business.
   This court is now in session.
3. (computing) The sequence of interactions between client and server, or between user and system; the period during which a user is logged in or connected.
   Logging out or shutting down the computer will end your session.
4. (cricket) Any of the three scheduled two hour playing sessions, from the start of play to lunch, from lunch to tea and from tea to the close of play.
5. (obsolete) The act of sitting, or the state of being seated.
6. (music) Ellipsis of jam session.
7. (education) An academic term
8. (beer) An extended period of drinking, typically consuming beer with low alcohol content.

verb

1. (music) To hold or participate in a jam session with other musicians.
   “I downloaded a clip from a drummer, who I now realize is Bernard Purdie, who has sessioned on all kinds of records,” he said. May 3, 2009, Virginia Heffernan, “World Music”, in New York Times