†(a) a type of firework in the shape of a balloon; cf. balloon, n. 3 (obsolete rare); (b) a balloon or lantern inflated with air heated by means of…

A balloon raised by heated air instead of gas; a hot-air balloon. Also more fully Montgolfier balloon.

A large airtight balloon designed to rise into the air when inflated with hot air or a gas that is lighter than air, typically carrying with it a…

transferred and figurative. = sausage balloon n.

(a) an elongated aeronautical balloon; †(b) slang a kite balloon used for observation (obsolete).

Military. An observation balloon. Now rare.

A tethered balloon or blimp used for telecommunications or surveillance.