[ˈsɛʃn], (Noun)

Definitions:
- a meeting of an official body, especially a legislature, council, or court of law, to conduct its business
(e.g: the governor called this week's special session to reconsider the decision)

- a period devoted to a particular activity
(e.g: gym is followed by a training session)

- the governing body of a Presbyterian Church


Phrases:
- in session

Origin:
late Middle English: from Old French, or from Latin sessio(n-), from sess- ‘seated’ (see sessile)