Keel

Definition and stakes

Various,  Bentley's Miscellany, Volume II

“ It comes—and fair at last, and, rushing forward with augmenting speed, the gallant vessel disparts the sparkling waters, and the keel cleaves the wave that keel never cleft before; and objects fade, and objects rise, while, "like a thing of life," the good ship hurries on. ”
Source: Gutenberg

William Wood,  All Afloat: A Chronicle of Craft and Waterways

“ Everything in naval architecture springs from and is related to the keel. 'Laying the keel' means beginning the ship in the only possible way, and 'two keels to one' is an expression which every one understands as meaning a naval preponderance in that proportion. The keel is to the ribs of a ship exactly what the backbone is to the ribs of a man, and any craft built up from a keel, no matter how small and simple it may be, belongs to the third and apparently final type of craft, which is as far ahead of the canoe type as that is ahead of the dug-out, raft, and log. ”
Source: Gutenberg

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