spouter noun5 •Anything that spouts. •Someone who rants or talks nonsense at length. •(historical) A vessel used in whaling.Peter Edwards was bragging all around the little port about his boy, shanghaied off to sea on his first voyage and coming home skipper of a bung-full spouter. — 1930 •(rare, historical) A person engaged in whaling; a skillful whaler. •(no longer used) A whale that breathes by spouting; especially a sperm whale (Physeter macrocephalus). formsspouters