superfortress

/S UW1 P ER0 F AO1 R T R AH0 S/
noun
  1. 1

    A bomber aeroplane that is larger than and superior to by being technically advanced compared to the Boeing B-17 "flying fortress", specifically the Boeing B-29 long-range heavy bomber aeroplane that was developed during the early 1940s.

  2. 2

    A massive and heavily protected fortress.

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