Noun | 1. | Phasmida - in some classifications considered a suborder of Orthoptera: stick insects; leaf insects animal order - the order of animals class Hexapoda, class Insecta, Hexapoda, Insecta - insects; about five-sixths of all known animal species phasmid, phasmid insect - large cylindrical or flattened mostly tropical insects with long strong legs that feed on plants; walking sticks and leaf insects |