from the GNU version of the Collaborative International Dictionary of English
- n. Anciently, a snake, called dart snake; now, one of a genus of reptiles closely allied to the lizards.
from The Century Dictionary and Cyclopedia
- n. The leading genus of the family Acontiidæ (which see).
Sorry, no etymologies found.
They came as if drawn by a spell: venomous toads and snakes of every description, asp and adder, cerastes and acontias; only one old serpent, disabled apparently by age, ignored the summons.
The scytalas was like "a staff;" the acontias, like "a javelin;" the dipsas was a thirsty snake.