[f. BALLOON + -ER1.]

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  1.  One who makes balloon ascents; an aeronaut.

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1864.  Athenæum, No. 1933. 631/3. The Godards, practised ballooners.

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1882.  Matt. Williams, Sc. in Short Chap., xxvi. 219. Not a mere sensational ballooner.

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  2.  Naut. A balloon-like sail.

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1883.  Times, 27 Aug., 8/2. The Marjorie [had] her ballooner aloft.

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1884.  Field, 24 May, 722. Tara put up her ballooner.

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