Russ adjective 1noun 1forms 3 adjective1 •(old-fashioned) Of or relating to the Russians. noun1 •(old-fashioned, rare) A Russian.But time will teach the Russ, ev'n conquering War Has handmaid arts: aye, aye, the Russ will woo All sciences that speed Bellona's car, All murder's tactic arts, and win them too […] — 1831 formsRusses · more Russ · most Russ