(1):

(v. t.) To wind cylindrically or spirally; as, to coil a rope when not in use; the snake coiled itself before springing.

(2):

(v. t.) To encircle and hold with, or as with, coils.

(3):

(n.) A ring, series of rings, or spiral, into which a rope, or other like thing, is wound.

(4):

(n.) Fig.: Entanglement; toil; mesh; perplexity.

(5):

(n.) A series of connected pipes in rows or layers, as in a steam heating apparatus.

(6):

(n.) A noise, tumult, bustle, or confusion.

(7):

(v. i.) To wind itself cylindrically or spirally; to form a coil; to wind; - often with about or around.