RHENISH Meaning of RHENISH in English adj. & n.adj. of the Rhine and the regions adjoining it. n. wine from this area. [ ME rynis, rynisch etc., f. AF reneis, OF r(a)inois f. L Rhenanus f. Rhenus Rhine ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012