Entry 3 senses · 2 variants Webster, 1913 Russ /rŭs/ · IPA /rˈʌs/ n. sing. & pl. a. 01 n. sing. & pl. A Russian, or the Russians. 1. A Russian, or the Russians.[Rare, except in poetry.] 2. The language of the Russians. 02 a. Of or pertaining to the Russians. 1. Of or pertaining to the Russians.