-ˈfīənə noun plural
Usage: capitalized
Etymology: New Latin, from gymn- + -ophiona (from Greek ophioneos of a snake, serpentlike, from ophis serpent, snake) — more at anguis
: an order of Amphibia that is coextensive with the family Caeciliidae and is distinguished by the limbless small-headed short-tailed form of its nearly eyeless members which are widely distributed in moist soil in tropical parts of the New and Old Worlds