(music) An informal gathering of musicians to play music, especially improvised jazz or a similar genre.

(computing) In Enterprise Edition specifications of the Java Platform, a type of Enterprise Bean that maintains the state for a particular session with a client.

(idiomatic) An informal discursive group discussion, often one where politics, economics or current events are discussed.

An intense period of study, sometimes all night before a critical exam.

(computing) The set of session variables held on a server that allow the continuation of a conversation with the client without the need to continually reinput data.

(cricket) the session of a day's play between lunch and tea

(cricket) the session of a day's play between tea and close of play

A session in which sound effects are added to a film or TV scene

A session of a conference, normally one of a choice of sessions following a plenary session, in which active participation of those attending is called for; a workshop session.

A session of a conference or other meeting at which all members are expected to be present.