float /ˈflot/
  (vi.)浮動,飄動,散播,搖擺,動搖;漂流物,浮舟,漂浮,浮萍,彩車
  float
  浮動
  float
  浮 浮動
  Float n.
  1. Anything which floats or rests on the surface of a fluid, as to sustain weight, or to indicate the height of the liquid surface, or mark the place of, something. Specifically: (a) A mass of timber or boards fastened together, and conveyed down a stream by the current; a raft. (b) The hollow, metallic ball of a self-acting faucet, which floats upon the water in a cistern or boiler. (c) The cork or quill used in angling, to support the bait line, and indicate the bite of a fish. (d) Anything used to buoy up whatever is liable to sink; an inflated bag or pillow used by persons learning to swim; a life preserver. (e) The hollow, metallic ball which floats on the fuel in the fuel tank of a vehicle to indicate the level of the fuel surface, and thus the amount of fuel remaining. (f) A hollow elongated tank mounted under the wing of a seaplane which causes the plane to float when resting on the surface of the water.
     This reform bill . . . had been used as a float by the conservative ministry.   --J. P. Peters.
  2. A float board. See Float board (below).
  3. Tempering A contrivance for affording a copious stream of water to the heated surface of an object of large bulk, as an anvil or die.
  4. The act of flowing; flux; flow. [Obs.]
  5. A quantity of earth, eighteen feet square and one foot deep. [Obs.]
  6. Plastering The trowel or tool with which the floated coat of plastering is leveled and smoothed.
  7. A polishing block used in marble working; a runner.
  8. A single-cut file for smoothing; a tool used by shoemakers for rasping off pegs inside a shoe.
  9. A coal cart. [Eng.]
  10. The sea; a wave. See Flote, n.
  Float board, one of the boards fixed radially to the rim of an undershot water wheel or of a steamer's paddle wheel; -- a vane.
  Float case Naut., a caisson used for lifting a ship.
  Float copper or Float gold Mining, fine particles of metallic copper or of gold suspended in water, and thus liable to be lost.
  Float ore, water-worn particles of ore; fragments of vein material found on the surface, away from the vein outcrop. --Raymond.
  Float stone Arch., a siliceous stone used to rub stonework or brickwork to a smooth surface.
  Float valve, a valve or cock acted upon by a float. See Float, 1 (b).
  Float, v. i. [imp. & p. p. Floated; p. pr. & vb. n. Floating.]
  1. To rest on the surface of any fluid; to swim; to be buoyed up.
     The ark no more now floats, but seems on ground.   --Milton.
  Three blustering nights, borne by the southern blast,
  I floated.   --Dryden.
  2. To move quietly or gently on the water, as a raft; to drift along; to move or glide without effort or impulse on the surface of a fluid, or through the air.
     They stretch their broad plumes and float upon the wind.   --Pope.
     There seems a floating whisper on the hills.   --Byron.
  Float, v. t.
  1. To cause to float; to cause to rest or move on the surface of a fluid; as, the tide floated the ship into the harbor.
     Had floated that bell on the Inchcape rock.   --Southey.
  2. To flood; to overflow; to cover with water.
     Proud Pactolus floats the fruitful lands.   --Dryden.
  3. Plastering To pass over and level the surface of with a float while the plastering is kept wet.
  4. To support and sustain the credit of, as a commercial scheme or a joint-stock company, so as to enable it to go into, or continue in, operation.
  ◄ ►
  float
       n 1: the time interval between the deposit of a check in a bank
            and its payment
       2: the number of shares outstanding and available for trading
          by the public
       3: a drink with ice cream floating in it [syn: ice-cream soda,
           ice-cream float]
       4: an elaborate display mounted on a platform carried by a
          truck (or pulled by a truck) in a procession or parade
       5: a hand tool with a flat face used for smoothing and
          finishing the surface of plaster or cement or stucco [syn:
           plasterer's float]
       6: something that remains on the surface of a liquid
       v 1: be in motion due to some air or water current; "The leaves
            were blowing in the wind"; "the boat drifted on the
            lake"; "The sailboat was adrift on the open sea"; "the
            shipwrecked boat drifted away from the shore" [syn: drift,
             be adrift, blow]
       2: be afloat; stay on a liquid surface; not sink [syn: swim]
          [ant: sink]
       3: set afloat; "He floated the logs down the river"; "The boy
          floated his toy boat on the pond"
       4: circulate or discuss tentatively; test the waters with; "The
          Republicans are floating the idea of a tax reform"
       5: move lightly, as if suspended; "The dancer floated across
          the stage"
       6: put into the water; "float a ship"
       7: make the surface of level or smooth; "float the plaster"
       8: allow (currencies) to fluctuate; "The government floated the
          ruble for a few months"
       9: convert from a fixed point notation to a floating point
          notation; "float data"