Serpentize

Ser'pent·ize intransitive verb To turn or bend like a serpent, first in one direction and then in the opposite; to meander; to wind; to serpentine. [ R.] « The river runs before the door, and serpentizes more than you can conceive.» Walpole.
Found on http://www.encyclo.co.uk/webster/S/73

Serpentize

• (v. i.) To turn or bend like a serpent, first in one direction and then in the opposite; to meander; to wind; to serpentine.
Found on http://thinkexist.com/dictionary/meaning/serpentize/
No exact match found