Real Dictionary

snake
countable noun: A snake is a long, thin reptile without legs.
verb: Something that snakes in a particular direction goes in that direction in a line with a lot of bends.

snake in American English
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
to clear obstructions from (a pipe, drain, etc.) by means of a snake (sense 3)
to move, curve, twist, or turn like a snake
intransitive verb: to move, twist, or wind
noun: any of numerous limbless, scaly, elongate reptiles of the suborder Serpentes, comprising venomous and nonvenomous species inhabiting tropical and temperate areas
transitive verb: to wind or make (one's course, way, etc.) in the manner of a snake

snake in British English
noun: any reptile of the suborder Ophidia (or Serpentes), typically having a scaly cylindrical limbless body, fused eyelids, and a jaw modified for swallowing large prey: includes venomous forms such as cobras and rattlesnakes, large nonvenomous constrictors (b
verb: to glide or move like a snake