leghorn n. + Add to list US //ˈɫɛɡhɔɹn// UK //lˈɛɡhɔːn// leghorn Archaic SynonymsEtymology Synonyms boaterpanamasailorskimmerOriginLATLiburnus→ROA-OITLegorno→ENLeghorn From Old Italian Legorno, from Latin Liburnus, from Liburnī, name of the ancient population of Liburnians. Doublet of Livorno.