ˈriverman [f. river n.1] A waterman. 1722De Foe Hist. Plague (1756) 254 The Seamen had no communication with the River-Men.1880W. Newton Serm. for Boys & Girls 410 A weather-beaten river man.1898Pall Mall G. 19 Jan. 4/3 He is a frozen-out river⁓man, connected with the heavy lighter trade.