lapping
  研磨
  Lap, v. t. [imp. & p. p. Lapped p. pr. & vb. n. Lapping.]
  1. To rest or recline in a lap, or as in a lap.
     To lap his head on lady's breast.   --Praed.
  2. To cut or polish with a lap, as glass, gems, cutlery, etc. See 1st Lap, 10.
  Lap·ping n. A kind of machine blanket or wrapping material used by calico printers.
  Lapping engine, Lapping machine Textile Manuf., A machine for forming fiber info a lap. See its Lap, 9.
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  lap
       n 1: the upper side of the thighs of a seated person; "he picked
            up the little girl and plopped her down in his lap"
       2: an area of control or responsibility; "the job fell right in
          my lap"
       3: the part of a piece of clothing that covers the thighs; "his
          lap was covered with food stains" [syn: lap covering]
       4: a flap that lies over another part; "the lap of the shingles
          should be at least ten inches" [syn: overlap]
       5: movement once around a course; "he drove an extra lap just
          for insurance" [syn: circle, circuit]
       6: touching with the tongue; "the dog's laps were warm and wet"
          [syn: lick]
       v 1: lie partly over or alongside of something or of one another
       2: pass the tongue over; "the dog licked her hand" [syn: lick]
       3: move with or cause to move with a whistling or hissing
          sound; "The bubbles swoshed around in the glass"; "The
          curtain swooshed open" [syn: swish, swosh, swoosh]
       4: take up with the tongue; "The cat lapped up the milk"; "the
          cub licked the milk from its mother's breast" [syn: lap
          up, lick]
       5: wash or flow against; "the waves laved the shore" [syn: lave,
           wash]
       [also: lapping, lapped]
  lapping
       n : covering with a design in which one element covers a part of
           another (as with tiles or shingles) [syn: imbrication,
           overlapping]
  Lapping
     of water like a dog, i.e., by putting the hand filled with water
     to the mouth. The dog drinks by shaping the end of his long thin
     tongue into the form of a spoon, thus rapidly lifting up water,
     which he throws into his mouth. The three hundred men that went
     with Gideon thus employed their hands and lapped the water out
     of their hands (Judg. 7:7).