- any of a limbless suborder (Serpentes, order Squamata) of reptiles with an elongated, scaly body, lidless eyes, and a tapering tail: some species have a poisonous bite
- a treacherous or deceitful person
- a plumber's tool consisting of a long, flexible rod of spiraled wire for removing obstructions from pipes, etc.
ME < OE snaca, akin to ON snakr, MLowG snake: for IE base see snail
intransitive verb snaked, snaking
to move, curve, twist, or turn like a snake