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kytoon

American  
[kahy-toon] / kaɪˈtun /

noun

Meteorology.
  1. a captive balloon, combining the features of a balloon and a kite, used to maintain meteorological instruments at a fixed height.


Etymology

Origin of kytoon

1945–50 variant spelling of kite (in the sense “a light frame flown at the end of a string”) + (ball)oon