WordNet (r) 3.0 (2006):

streamliner
    n 1: a streamlined train

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "streamliner":
   Amtrak, baggage train, cable railroad, choo-choo, cog railroad,
   cog railway, el, electric, electric train, elevated, express,
   express train, flier, freight, freight train, freighter, funicular,
   goods train, interurban, lightning express, limited, local, metro,
   milk train, monorail, parliamentary, parliamentary train,
   passenger train, rattler, rolling stock, shuttle, shuttle train,
   special, subway, train, tube, underground, way train