- the bottom of a hull.
- any of a number of deep, transverse framing members at the bottom of a steel or iron hull, generally interrupted by and joined to any vertical keel or keelsons.
- the lowermost member of a frame in a wooden vessel.
verb (used with object)
Origin of floor
Word Origin for floor
Old English flor "floor, pavement, ground, bottom (of a lake, etc.)," from Proto-Germanic *floruz "floor" (cf. Middle Dutch and Dutch vloer, Old Norse flor "floor," Middle High German vluor, German Flur "field, meadow"), from PIE *plaros "flat surface" (cf. Welsh llawr "ground"), enlarged from *pele- (2) "flat, to spread" (see plane (n.1)).
Meaning "level of a house" is from 1580s. The figurative sense in legislative assemblies (as opposed to the platform) is first recorded 1774. Spanish suelo "floor" is from Latin solum "bottom, ground, soil;" German Boden is cognate with English bottom. Floor plan attested from 1867.
see ground floor; mop up the floor with; sink through the floor; take the floor; walk the floor.