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a. A flexible bag designed to be inflated with hot air or with a gas, such as helium, that is lighter than the surrounding air, causing it to rise and float in the atmosphere.
b. Such a bag with sufficient capacity to lift and transport a suspended gondola or other load.
c. Such a bag shaped like a figure or object when inflated; an inflatable.
2. A usually round or oblong inflatable rubber bag used as a toy or decoration.
3. Medicine An inflatable device that is inserted into a body cavity or structure and distended with air or gas for therapeutic purposes, such as angioplasty.
a. See speech bubble.
b. See thought bubble.
5. A balloon payment.
v. bal·looned, bal·loon·ing, bal·loons
1. To ascend or ride in a balloon.
2. To expand or swell out like a balloon. See Synonyms at bulge.
3. To increase or rise quickly: expenses ballooning out of control.
To cause to expand by or as if by inflating: unforeseen expenditures that ballooned the deficit.
Suggestive of a balloon, as in shape: balloon curtains.
[French ballon, from Italian dialectal ballone, augmentative of balla, ball, of Germanic origin; see bhel- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
one who ascends in a balloon.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
balloonist[bəˈluːnɪst] n → aéronaute mf
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
n → Ballonfahrer(in) m(f)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
balloonist[bəˈluːnɪst] n → aeronauta m/f
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995