1. (n.)session the sitting together of a court, council, legislature, or the like, for conference or the transaction of business: Congress is now in session.
2. session a single continuous meeting or series of meetings of persons so assembled.
3. session in session currently meeting The court is now in session.
Definition of 'Session'
Webster Dictionary
1. (noun)Session the act of sitting, or the state of being seated
2. (noun)Session the actual sitting of a court, council, legislature, etc., or the actual assembly of the members of such a body, for the transaction of business
3. (noun)Session hence, also, the time, period, or term during which a court, council, legislature, etc., meets daily for business; or, the space of time between the firstmeeting and the prorogation or adjournment; thus, a session of Parliaments is opened with a speech from the throne, and closed by prorogation. The session of a judicial court is called a term