LSJ
οἱ, the Liburnians, a people on the Adriatic coast below Istria, Λιβυρνὴ πόλις Str. 7.5.4, etc. ; — Adj. Λιβυρνικός, ή, όν, Liburnian, A. Fr. 364; Λιβυρνικόν (sc. πλοῖον), τό, a light, swift vessel, felucca, such as was used by the Λιβυρνοί, Plu. Cat. Mi. 54; — also Λιβυρνός, ὁ, BGU 709.23 (ii AD), prob. in Supp.Epigr. 3.565.11 (Tyras, iii AD); — fem. Λιβυρνίς (sc. ναῦς), ίδος, ἡ, Plu. Ant. 67, etc. ; -ίδες νῆσοι Str. 7.5.5; — hence Λιβυρνάριος, ὁ, Stud.Pal. 20.123.33 (v AD).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)