ăcontĭas, ae, m., = ἀκοντίας.
I A quick-darting serpent , Amm. 22, 15, 27.—
II In plur., ăcontĭae , ārum, = ἀκοντίαι, meteors or shooting-stars with dartlike trains , Plin. 2, 25, 22, § 89.
·noun Anciently, a snake, called dart snake; now, one of a genus of reptiles closely allied to the l...
Webster's Dictionary of the English Language