The Junior Combination Room is the undergraduate common room administered by the Trinity College Students Union ( TCSU).
The Junior Combination (or Common) Room and the Junior Combination Room Society. The JCRS is the undergraduate student society which represents student in the College, provides welfare services and arranges social events. The JCR is also usually a room or series of rooms used for communal activities.
1. Junior Commmon Room, common room located in S staircase. 2. Undergraduate body of Downing College.