a. [f. L. extrā mūr-ōs outside the walls + -AL: see EXTRA- pref. and MURAL. Cf. late L. extrāmūrānus in same sense.] Outside the walls or boundaries of a city or town; esp. in extra-mural interment.
1854. Cdl. Wiseman, Fabiola (1855), 155. The extramural basilicas of St. Paul on the Ostian way.
1861. Pearson, Early & Mid. Ages Eng., 27. Large sewers, large aqueducts, and extramural interment, are common features.
1884. Science, March, 371. The arrangements by which medical men not connected with the university give Extra-mural instruction.
Hence Extramuralism, the practice of giving extramural instruction. Extramuralist. nonce-wd. One who lives outside the walls of a city.
1868. Imperial Rev., 7 March, 228. All the city all except the outcast extramuralists are soon reduced to ashes.
1892. Sat. Rev., 14 May, 571/1. There remained only the principle of Extramuralism to be reckoned with.