To temporarily end a meeting or gathering with the intent of continuing it at a later time. Since we were getting hungry, we decided to adjourn for lunch.
To suspend a meeting or gathering with the intent of continuing it in another location. There was a mishap in scheduling for the conference room, so we had to adjourn to the cramped office next door and finish our meeting there.
to bring a meeting to a temporary close so the participants can move to another place (where the meeting will be started again). We adjourned to the sitting room.