Did you by any chance mean one of these? raccoon, racoon, reckon, rockman, rockwood
Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A device used for high-altitude sounding, composed of a small, solid-propellant rocket that is launched from a balloon.
Wiktionary
Etymologies
- Blend of rocket and balloon (Wiktionary)
- rock(et)1 + (ball)oon. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The first test of the Aeronautics and Cosmonautics Romanian Association's (ARCA) balloon-launched rocket (or "rockoon") ended in failure when the "inflation arms" used to fill the balloon became entangled in the balloon itself.”
Romanian Group Attempts Moon Mission With Giant Balloon | Universe Today
Lists
These user-created lists contain the word ‘rockoon’.
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rock phrases/words
how rock is used
stick of rock, rock wren, rock worm, rockwool, rock wood, rock-wombed, rock wilderness, rock whiting, rock-white, rock whistler, rock whelk, rock waste and 371 more...
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Rocks
rock lobster, rock cod, rock dove, rock bass, rock brake, rock crab, rock elm, rock maple, rock garden, rock rabbit, rock squirrel, rock wallaby and 36 more...
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via Weird and Wonderful Words
Catch-all for things culled from Weird and Wonderful Words, More Weird and Wonderful Words, and Totally Weird and Wonderful Words, by Erin McKean, et al.
aboulia, alexiteric, angletouch, dactylion, alveary, sparlire, glabella, philtrum, pallium, heart-spoon, hyperprosexia, paraprosexia and 438 more...
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-oons (once of more than one syllable)
Originally this list was to contain multisyllabic words that end in "oon," but as you can see from the comments, all hell broke loose.
doubloon, poltroon, spittoon, patroon, dragoon, bassoon, platoon, typhoon, rangoon, maroon, pontoon, monsoon and 96 more...
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Flightful Forays
trips from El Nido
vireo, tanager, scaup, lark, killdear, falcon, cormorant, becard, avocet, accipiter, peregrine, remex and 135 more...
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Monovocalics
Words that have only one of the vowels. On this list I include only words with at least three vowels. When I first started the list, if a word had several forms, I generally listed only the one wit...
syzygy, mirific, cumulus, homolog, monocot, bedewed, jezebel, referee, bikini, minikin, locomotor, terebenthene and 2359 more...
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Words I liked from "Totally Weird an...
"Weird and Wonderful Words" by Erin McKean
autophoby, autological, aspectabund, blandiose, carriwitchet, choronymy, codology, elaqueate, eagre, eutrapely, expergefaction, exonym and 81 more...
Tweets
Looking for tweets for rockoon.

she A rocket fired from a balloon, or a balloon carrying a rocket. Jul 9, 2008