- involving only students at the same school or college: intramural athletics.
- within the walls, boundaries, or enclosing units, as of a city, institution, or building.
- being within the substance of a wall, as of an organ.
- involving or understood only by members of a single group, profession, etc.: an intramural medical conference.
- operating within or involving those in a single establishment
- within the walls of a cavity or hollow organ
