session

session
ses‧sion S2 W2 /ˈseʃən/ noun [countable]1. a period of time used for a particular activity, especially by a group of people:
    a training session for teachers about computers
    question-and-answer sessions
    session of
    a session of group therapy ⇨ jam session
2. a formal meeting or group of meetings, especially of a law court or parliament
    session of
    the first televised session of parliament
    in session (=meeting)
    The court is now in session.
    Board members met in closed session (=with nobody else present).
3. American English a part of the year when classes are given at a college or university ⇨ semester
     

COLLOCATIONS

■ ADJECTIVES/NOUN + session
   ▪ a training session Every training session starts with a series of exercises.
   ▪ a practice session He crashed during a practice session before this Sunday's Belgian Grand Prix.
   ▪ a question-and-answer session (=when people ask a speaker questions) His talk was followed by a question and answer session.
   ▪ a photo session (=when someone is photographed for a magazine etc) I normally have two or three photo sessions a week.
   ▪ a therapy/counselling session (=when someone is given personal advice) At one point his parents joined him for a family therapy session.
   ▪ a brainstorming session (=when people think up new ideas) I think we should just get together and have a brainstorming session.
■ verbs
   ▪ have a session We had a special training session yesterday.
   ▪ do a session informal We're doing a photo session tomorrow.
   ▪ attend a session formal Some doctors require patients to attend counselling sessions.