P. and V. ἔχιδνα, ἡ (Plato), ὄφις, ἡ (Plato also Ar.), Ar. and V. δράκων, ὁ, ἑρπετόν, τό, P. ἔχις, ὁ (Plato), V. δράκαινα, ἡ; see serpent.