Wordnet 3.0
ADJECTIVE (1)
1.
carried on outside the bounds of an institution or community;
- Example: "extramural sports"
The Collaborative International Dictionary of English v.0.48:
Extramural \Ex`tra*mu"ral\, a.
1. Outside of the walls, as of a fortified or walled city.
[1913 Webster]
2. pertaining to activities, such as sports contests, that
involve representatives from more than one school.
[PJC]
WordNet (r) 3.0 (2006):
extramural
adj 1: carried on outside the bounds of an institution or
community; "extramural sports" [ant: intramural]