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pilot balloon

See more synonyms for pilot balloon on Thesaurus.com
noun
  1. a balloon for the visual observation of upper-atmosphere wind currents.
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Origin of pilot balloon

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pilot balloon

Historical Examples

  • His white cravat was tied before in a sort of pilot-balloon, or white rosicrucian puff.

    Blackwood's Edinburgh Magazine, Vol. 66, No 409, November 1849

    Various

  • Still another device employed by meteorologists is the pilot-balloon.

    The Mentor: The Weather

    Charles Fitzhugh Talman


British Dictionary definitions for pilot balloon

pilot balloon

noun
  1. a meteorological balloon used to observe air currents
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012