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Any of several nonvenomous, semiaquatic snakes of the genus Eunectes of tropical South America that kill by coiling around their prey, especially E. murinus, which can attain a length of up to 9 meters (29.5 feet).
(Animals) a very large nonvenomous arboreal and semiaquatic snake, Eunectes murinus, of tropical South America, which kills its prey by constriction: family Boidae (boas)
[C18: probably changed from Sinhalese henakandayā whip snake, from hena lightning + kanda stem; originally referring to a snake of Sri Lanka]
an•a•con•da(ˌæn əˈkɒn də)
n., pl. -das.
a South American boa, Eunectes murinus, that often grows to a length of more than 25 ft. (7.6 m).
[1760–70; earlier anacandaia < Sinhalese henakandayā]
A very large, mostly aquatic snake of tropical South America. It suffocates its prey by coiling or drowning and is the largest snake known.