What is the meaning of Anaconda?

Any of various large nonvenomous snakes of the genus Eunectes, found mainly in northern South America.

The green anaconda; Eunectes murinus.

A large penis.

A particular variety of stud poker.

anaconda

anaconda, constrictor of the genus Eunectes.

anaconda

anaconda

anaconda

anaconda

anaconda

a large penis

Source: wiktionary.org