Floor of Ship Small 320×105 Medium 640×210 Large 1024×335 Download TIFF Original 2400×786 | (200.2 KB) Description "Ship's Floor. Nautical, that part of the bottom of a vessel on each side of the keelson which is most nearly horizontal. AA, floor-plates; BBB, keelsons; FF, main frame; K, keel; LL, lightening-holes; RR, reverse frame." -Whitney, 1911 Keywords floor plates, keel, keelson, lightening holes, main frame, nautical, reverse frame, ship floor, vessel Galleries Miscellaneous Ship Illustrations Source: William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)