Montgolfier

n. family name; Jacques Etienne Montgolfier (1745-1799), French aeronautic inventor who (together with his brother Joseph Michel) invented the first practical hot-air balloon; Joseph Michel Montgolfier (1740-1810), French aeronautic inventor who (together with his brother Jacques Etienne) invented the first practical hot-air balloon

n. name of a hot-air balloon using fire as a thrusting force

The brothers, Joseph Michel Montgolfier (26 August 1740 – 26 June 1810) and Jacques-Étienne Montgolfier (6 January 1745 – 2 August 1799) were the inventors of the montgolfière, globe airostatique or European hot air balloon. The brothers succeeded in launching the first manned ascent to carry a young physician and an audacious army officer into the sky.
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Noun
1. French inventor who (with his brother Josef Michel Montgolfier) pioneered hot-air ballooning (1745-1799)
(synonym) Jacques Etienne Montgolfier
(hypernym) balloonist
2. French inventor who (with his brother Jacques Etienne Montgolfier) pioneered hot-air ballooning (1740-1810)
(synonym) Josef Michel Montgolfier
(hypernym) balloonist

n. Montgolfier, family name

(n.)
A balloon which ascends by the buoyancy of air heated by a fire; a fire balloon; -- so called from two brothers, Stephen and Joseph Montgolfier, of France, who first constructed and sent up a fire balloon.