LatvianPronunciation: /ˈlatvɪən/Translate Latvian | into Italian | into Spanish Definition of Latvian noun 1a native or inhabitant of Latvia. 2 [mass noun] the official language of Latvia, which belongs to the Baltic branch of the Indo-European family and has about 1.5 million speakers. adjective relating to Latvia or its language. Latvian in other Oxford dictionaries Definition of Latvian in the US English dictionary