steam generator vs steamer

steam generator

noun
  • a type of boiler fitted in a diesel locomotive or another rail vehicle, which provided steam heating in steam-heated passenger trains that had previously been hauled by steam locomotives. 

steamer

noun
  • A steam-powered road locomotive; a traction engine. 

  • A mode of transportation propelled by steam. 

  • A stupid or contemptible person. 

  • A vessel in which articles are subjected to the action of steam, as in washing and in various processes of manufacture. 

  • A cooking appliance that cooks by steaming. 

  • A steamer duck: any of the four species of the duck genus Tachyeres which are all found in South America, three of which are flightless. 

  • A member of a youth gang who engages in steaming (robbing and escaping in a large group). 

  • The soft-shell clam, sand gaper, or long-neck clam (Mya arenaria), an edible saltwater clam; specifically the clam when steamed for eating. 

  • A prostitute's client. 

  • A gullible or easily cheated person. 

  • A vessel propelled by steam; a steamboat or steamship. 

  • A steamed clam. 

  • An act of fellatio. 

  • A homosexual man with a preference for passive partners. 

  • A wetsuit with long sleeves and legs. 

  • A babycino (frothy milk drink). 

  • A racehorse the odds of which are becoming shorter (that is, decreasing) because bettors are backing it. 

  • A drinking session. 

  • a gambler who increases a wager after losing. 

verb
  • To travel by steamer. 

How often have the words steam generator and steamer occurred in a corpus of books? (source: Google Ngram Viewer )