to wind cylindrically or spirally; as, to coil a rope when not in use; the snake coiled itself before springing.-to encircle and hold with, or as with, coils.-to wind itself cylindrically or spirally; to form a coil; to wind; -- often with about or around.-a ring, series of rings, or spiral, into which a rope, or other like thing, is wound.-fig.: entanglement; toil; mesh; perplexity.-a series of connected pipes in rows or layers, as in a steam heating apparatus.-a noise, tumult, bustle, or confusion.