balloon
An inflatable buoyant object, often (but not necessarily) round and flexible.
Such an object as a child’s toy or party decoration.
Such an object designed to transport people or equipment through the air.
(medicine) A sac inserted into part of the body for therapeutic reasons; such as angioplasty.
A speech bubble.
A type of glass cup, sometimes used for brandy.
(architecture) A ball or globe on the top of a pillar, church, etc.
(chemistry) A round vessel, usually with a short neck, to hold or receive whatever is distilled; a glass vessel of a spherical form.
(pyrotechnics) A bomb or shell.
(obsolete) A game played with a large inflated ball.
(engraving) The outline enclosing words represented as coming from the mouth of a pictured figure.
(slang) A woman's breast.
(slang) A small container for illicit drugs made from a condom or the finger of a latex glove, etc.
(finance) (balloon payment).
To increase or expand rapidly.
To go up or voyage in a balloon.
To take up in, or as if in, a balloon.
To inflate like a balloon.
(sports) To strike (a ball) so that it flies high in the air.
(aviation) Of an aircraft: to plunge alternately up and down.