bilge /bɪld͡ʒ/noun 5verb 3forms 3 noun5 •The lowest inner part of a ship's hull, where water accumulates.[…] water deluged into the cockpit and Niagaraed into the bilge. Only constant use of the pump kept the floorboards from going adrift. — 1943 •(slang) Stupid talk or writing; nonsense."The whole thing is the most absolute bilge and a disgrace to our legislature." — 1925 •The water accumulated in the bilge; bilge water. •The rounded portion of a ship's hull, forming a transition between the bottom and the sides. •The bulging part of a barrel or cask. verb3 •To spring a leak in the bilge. •To break open the bilge(s) of. •To bulge or swell. formsbilged · bilging · bilges