Source : Webster's Revised Unabridged Dictionary (1913)

Coil \Coil\ (koil), v. t. [imp. & p. p. {Coiled} (koild); p. pr.
   & vb. n. {Coiling}.] [OF. coillir, F. cueillir, to collect,
   gather together, L. coligere; col- + legere to gather. See
   {Legend}, and cf. {Cull}, v. t., {Collect}.]
   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.]
      --T. Edwards.

Source : WordNet®

coiled
     adj : curled or wound (especially in concentric rings or spirals);
           "a coiled snake ready to strike"; "the rope lay coiled
           on the deck" [ant: {uncoiled}]