Synonyms for Snake (same or very similar meaning)
WordNet sense 1 (a deceitful or treacherous person):
snake in the grass
WordNet sense 2 (a tributary of the Columbia River that rises in Wyoming and flows westward; discovered in 1805 by the Lewis and Clark Expedition):
Snake River
WordNet sense 3 (a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer):
hydra
WordNet sense 4 (limbless scaly elongate reptile; some are venomous):
serpent, ophidian
From the ODE community, based on WordNet
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