A pilot or navigator of a lighter-than-air craft, such as a balloon.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "aeronaut" in a sentence
"The aeronaut is strapped into a carrier, attached to a sail wing of nylon stretched on an aluminium frame like a paper dart, and jumps into the air from a high place."
"“Land,” called the aeronaut, his voice small against the whistling of the air over the wind-screen."
"Japanese, and it is characteristic that from the first it was contemplated that the aeronaut should be a swordsman."