coil /ˈkɔɪ(ə)l/
  卷,環繞,騷動(vt.)盤繞,卷
  coil
  線圈 捲
  Coil, n.  A noise, tumult, bustle, or confusion. [Obs.]
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  Coil v. t. [imp. & p. p. Coiled (koild); p. pr. & vb. n. Coiling.]
  1. To wind cylindrically or spirally; as, to coil a rope when not in use; the snake coiled itself before springing.
  2. To encircle and hold with, or as with, coils. [Obs. or R.]
  Coil, v. i. To wind itself cylindrically or spirally; to form a coil; to wind; -- often with about or around.
  You can see his flery serpents . . .
  Coiting, playing in the water.   --Longfellow.
  Coil, n.
  1. A ring, series of rings, or spiral, into which a rope, or other like thing, is wound.
     The wild grapevines that twisted their coils from trec to tree.   --W. Irving.
  2. Fig.: Entanglement; toil; mesh; perplexity.
  3. A series of connected pipes in rows or layers, as in a steam heating apparatus.
  Induction coil. Elec. See under Induction.
  Ruhmkorff's coil Elec., an induction coil, sometimes so called from Ruhmkorff a prominent manufacturer of the apparatus.
  coil
       n 1: a structure consisting of something wound in a continuous
            series of loops; "a coil of rope" [syn: spiral, volute,
             whorl, helix]
       2: a round shape formed by a series of concentric circles [syn:
           whorl, roll, curl, curlicue, ringlet, gyre, scroll]
       3: a transformer that supplies high voltage to spark plugs in a
          gasoline engine
       4: a contraceptive device placed inside a woman's womb
       5: tubing that is wound in a spiral
       6: reactor consisting of a spiral of insulated wire that
          introduces inductance into a circuit
       v 1: to wind or move in a spiral course; "the muscles and nerves
            of his fine drawn body were coiling for action"; "black
            smoke coiling up into the sky"; "the young people
            gyrated on the dance floor" [syn: gyrate, spiral]
       2: make without a potter's wheel; "This famous potter
          hand-builds all of her vessels" [syn: handbuild, hand-build]
       3: wind around something in coils or loops [syn: loop, curl]
          [ant: uncoil]