session
Abbr. sess.
1.
2. The part of a year or of a day during which a school holds classes.
3. An assembly of people for a common purpose or because of a common interest: a gossip session.
4. Law. A court of criminal jurisdiction in the United States: the court of sessions.
5. A period of time devoted to a specific activity.
[Middle English, from Old French, from Latin sessiō, sessiōn-, act of sitting, from sessus past participle of sedēre, to sit.]
ses