n. | 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. |
| 2. | (Arch.) A ball or globe on the top of a pillar, church, etc., as at St. Paul's, in London. |
| 3. | (Chem.) A round vessel, usually with a short neck, to hold or receive whatever is distilled; a glass vessel of a spherical form. |
| 4. | (Pyrotechnics) A bomb or shell. |
| 5. | A game played with a large inflated ball. |
| 6. | (Engraving) The outline inclosing words represented as coming from the mouth of a pictured figure. |
v. t. | 1. | To take up in, or as if in, a balloon. |
v. i. | 1. | To go up or voyage in a balloon. |
| 2. | To expand, or puff out, like a balloon. |
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