the lowest or deepest part of anything, as distinguished from the top:the bottom of a hill; the bottom of a page.
the under or lower side; underside:the bottom of a typewriter.
the ground under any body of water:the bottom of the sea.
Usually,bottoms. Also called bottom land.[Phys. Geog.]low alluvial land next to a river.
the part of a hull between the bilges, including the keel.
the part of a hull that is immersed at all times.
the cargo space in a vessel.
a cargo vessel.
the seat of a chair.
[Informal.]the buttocks; rump.
the fundamental part; basic aspect.
bottoms, (used with a pl. v.) the trousers of a pair of pajamas.
the working part of a plow, comprising the plowshare, landside, and moldboard.
the cause; origin; basis:Try getting to the bottom of the problem.
the second half of an inning.
the last three players in the batting order.
lowest limit, esp. of dignity, status, or rank:When people sink that low, they're bound to reach the bottom soon.
ChemistryUsually,bottoms.[Chem.]the heaviest, least volatile fraction of petroleum, left behind in distillation after more volatile fractions are driven off.
at bottom, in reality; fundamentally:They knew at bottom that they were only deceiving themselves.Also,at the bottom.
bottoms up, (used interjectionally to urge the downing of one's drink).
to furnish with a bottom.
to base or found (usually fol. by on or upon).
to discover the full meaning of (something); fathom.
to bring (a submarine) to rest on the ocean floor:They had to bottom the sub until the enemy cruisers had passed by.
to be based; rest.
to strike against the bottom or end; reach the bottom.
Automotive(of an automotive vehicle) to sink vertically, as when bouncing after passing over a bump, so that the suspension reaches the lower limit of its motion:The car bottomed too easily on the bumpy road.
bottom out, to reach the lowest state or level:The declining securities market finally bottomed out and began to rise.
of or pertaining to the bottom or a bottom.
located on or at the bottom:I want the bottom book in the stack.
Hunting and Fishingliving near or on the bottom:A flounder is a bottom fish.
fundamental:the bottom cause.
bet one's bottom dollar:
to wager the last of one's money or resources.
to be positive or assured:You can bet your bottom dollar that something will prevent us from leaving on time.
Etymology:bef. 1000; Middle English botme, Old English botm; akin to Old Norse botn, Dutch bodem, German Boden, Latin fundus, Greek pythmé̄n, Sanskrit budhná