• Webster's Revised Unabridged Dictionary
    • Flyboat A kind of passenger boat formerly used on canals.
    • Flyboat (Naut) A large Dutch coasting vessel. "Captain George Weymouth made a voyage of discovery to the northwest with two flyboats ."
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Century Dictionary and Cyclopedia
    • n flyboat A large flat-bottomed Dutch vessel with a high stem, of a kind chiefly employed in the coasting-trade, having a burden of from 400 to 600 tons.
    • n flyboat A light, swift sail-boat.
    • n flyboat A long, narrow, flat-bottomed boat used for the transportation in canals and rivers of goods requiring to be carefully packed and kept dry. Also called swift-boat.
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Chambers's Twentieth Century Dictionary
    • ns Flyboat a long, narrow, swift boat used on canals
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Webster's Revised Unabridged Dictionary
Fly, + boat,: cf. D. vlieboot,
Chambers's Twentieth Century Dictionary
A.S. fléogan, pa.t. fleáh; Ger. fliegen.


In literature:

Luis Coutinho commanded the hulks and flyboats.
"A General History and Collection of Voyages and Travels, Volume VII" by Robert Kerr
Later in the voyage Sydney's flyboat foundered; but he and all his soldiers were rescued.
"Great Ralegh" by Hugh De Selincourt
Hulks, flyboats, boyers, crousteves, swift as a wind big with tempest, like the cloud that bears the thunderbolt.
"The Legend of Ulenspiegel, Vol. II (of 2)" by Charles de Coster