intermural

[ in-ter-myoo r-uh l ]
/ ˌɪn tərˈmyʊər əl /

adjective

of, relating to, or taking place between two or more institutions, cities, etc.: an intermural track meet.
occurring or being between walls, as of buildings or cities: a narrow, intermural forecourt.

Origin of intermural

First recorded in 1650–60, intermural is from the Latin word intermūrālis between walls. See inter-, mural

Can be confused

intermural intramural
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019