From WordNet (r) 3.0 (2006):
snake
n 1: limbless scaly elongate reptile; some are venomous [syn:
snake, serpent, ophidian]
2: a deceitful or treacherous person [syn: snake, snake in
the grass]
3: a tributary of the Columbia River that rises in Wyoming and
flows westward; discovered in 1805 by the Lewis and Clark
Expedition [syn: Snake, Snake River]
4: a long faint constellation in the southern hemisphere near
the equator stretching between Virgo and Cancer [syn:
Hydra, Snake]
5: something long, thin, and flexible that resembles a snake
v 1: move smoothly and sinuously, like a snake
2: form a snake-like pattern; "The river snakes through the
valley"
3: move along a winding path; "The army snaked through the
jungle"