adjective 1.involving representatives of more than one school: extramural athletics.
2.outside the walls or boundaries, as of a city or town or a university:
extramural teaching; an extramural church. Compare
intramural ( defs 1, 2 ).
Origin: 1850–55; extra- +
mural. Compare
Late Latin extramūrānus, in same sense
Related forms ex·tra·mu·ral·ly, adverb