Lewis & Short

insŭlāris, e, adj. [insula].

  1. I. Of or belonging to an island, insular (post-class.): insulari poena multavit, i. e. punished him with banishment to an island, Amm. 15, 7, 2: solitudo, id. 14, 5, 3; 24, 2, 9 al.
  2. II. in-sŭlāres, m. plur., keepers of a temple, Just. 32, 2, 2.