noun.
A very large serpent of Ceylon, a kind of python, variously identified as Python reticulatus, or P. molurus, or P. tigris; hence, some Indian species of that genus. Also called pimbeva and rock-snake.
noun.
Used mistakenly by Daudin as the specific name of a large serpent of South America, Boa murina (Linnæus), B. anacondo (Daudin), now generally known as Eunectes marinus; hence, some large South American boa, python, or rock-snake. In zoology the name is becoming limited to the Eunectes murinus.
noun.
In popular language, any enormous serpent which is not venomous, but which envelops and crushes its prey in its folds; any of the numerous species of the families Boidæ and Pythonidæ; any boa constrictor.