Lewis & Short

Līrīnus, i (Lērīna, ae), f., = Ληρίνη,

  1. I. an island on the coast of Gallia Narbonensis, opposite to Antipolis (the modern Antibes), now St. Honorat (one of the islands De Lerins), Plin. 3, 5, 11, § 79; Sid. Carm. 16, 104.
    Hence,
  2. II. Līrīnensis, adj., Lirinian: Cenobium Lirinense, Sid. Ep. 8, 14.