pilot balloon

See more synonyms for pilot balloon on Thesaurus.com

Origin of pilot balloon

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

Related Words for pilot balloon

feeler, barometer

Examples from the Web for pilot balloon

Historical Examples of pilot balloon


British Dictionary definitions for pilot balloon

pilot balloon

noun
  1. a meteorological balloon used to observe air currents
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