snake

noun

1. any of numerous limbless, scaly, elongate reptiles of the suborder Serpentes, comprising venomous and nonvenomous species inhabiting tropical and temperate areas.
2. a treacherous person; an insidious enemy.Compare snake in the grass.
3. Building Trades.
   1. Also called auger, plumber’s snake.(in plumbing) a device for dislodging obstructions in curved pipes, having a head fed into the pipe at the end of a flexible metal band.
   2. Also called wirepuller.a length of resilient steel wire, for threading through an electrical conduit so that wire can be pulled through after it.