n. [ F. ballon, aug. of balle ball: cf. It. ballone. See 1st Ball, n., and cf. Pallone. ] 1. A bag made of silk or other light material, and filled with hydrogen gas or heated air, so as to rise and float in the atmosphere; especially, one with a car attached for aërial navigation. [ 1913 Webster ] 2. (Arch.) A ball or globe on the top of a pillar, church, etc., as at St. Paul's, in London. [ R. ] [ 1913 Webster ] 3. (Chem.) A round vessel, usually with a short neck, to hold or receive whatever is distilled; a glass vessel of a spherical form. [ 1913 Webster ] 4. (Pyrotechnics) A bomb or shell. [ Obs. ] [ 1913 Webster ] 5. A game played with a large inflated ball. [ Obs. ] [ 1913 Webster ] 6. (Engraving) The outline inclosing words represented as coming from the mouth of a pictured figure. [ 1913 Webster ] Air balloon, a balloon for aërial navigation. -- Balloon frame (Carp.), a house frame constructed altogether of small timber. -- Balloon net, a variety of woven lace in which the weft threads are twisted in a peculiar manner around the warp. [ 1913 Webster ]
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