LuwianPronunciation: /ˈluːwɪən/ (also Luvian /ˈluːvɪən/)Definition of Luwian noun [mass noun] an ancient Anatolian language of the 2nd millennium bc, related to Hittite. It is recorded in both cuneiform and hieroglyphic scripts, and may have been the language spoken in Troy at the time of the Homeric war. Origin:from Luwia, part of Asia Minor, + -anLuwian in other Oxford dictionaries Definition of Luwian in the US English dictionary