ex‧tra‧mu‧ral /ˌekstrəˈmjʊərəl◂ $ -ˈmjʊr-/ adjective [only before noun]
[Date: 1800-1900; Language: Latin; Origin: extra muros 'outside the walls']

1. relating to a place or organization but happening or done outside it:
extramural activities

2. especially British English extramural courses are for people who are not full-time students

[TahlilGaran] Dictionary of Contemporary English ▲