whaler UK /ˈweɪlə/US /ˈweɪlɚ/ noun7 •One who hunts whales; any person employed in the whaling industry.For a whaler's wife to have been “ 'round the Cape” half a dozen times, or even more, was nothing extraordinary. — 1890 •A seagoing vessel used for hunting whales.But o' Thursday t' Resolution, first whaler back this season, came in port. — 1863 •(Australia) Any shark of the family Carcharhinidae; a requiem shark.The whalers (or requiem sharks) are one of the largest and best known family of sharks. Worldwide there are 48 species in 12 genera. However, relatively few species are on the Great Barrier Reef. — 1997 •(slang) A large, strong person. •(slang) Something of unusually great size, a whopper, a whacker. •One who whales (flogs or beats). •(slang, old-fashioned) A sundowner; one who cruises about.the nomad, “the whaler,” it is who will find the new order hostile to his vested interest of doing nothing. — 1893 formswhalers