steamerPronunciation: /ˈstiːmə/Translate steamer | into French | into German | into Italian | into Spanish Definition of steamer noun 1a ship, boat, or locomotive powered by steam. 2a type of saucepan in which food can be steamed. 3a device used to direct a jet of hot steam on to a garment in order to remove creases. 4 informal a wetsuit. steamer in other Oxford dictionaries Definition of steamer in the US English dictionary