a vehicle that uses streamlining to reduce air resistance, for example, the high-speed railway trains of the 1930s to the 1950s
streamliner in American English
(ˈstrimˌlainər)
noun
something that is streamlined, esp. a locomotive or passenger train
Word origin
[1930–35; streamline + -er1]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: DNA, acoustic phonetics, logical positivism, old school tie, preset-er is a suffix used in forming nouns designating persons from the object of their occupationor labor (hatter; tiler; tinner; moonshiner), or from their place of origin or abode (Icelander; southerner; villager), or designating either persons or things from some special characteristic or circumstance(six-footer; three-master; teetotaler; fiver; tenner)