Entry 1 sense Webster, 1913 Anura /(ȧ*nū"rȧ)/ · A·nu·ra · IPA 01 n. pl. One of the orders of amphibians characterized by the absence of a tail, as the frogs and toads. 1. One of the orders of amphibians characterized by the absence of a tail, as the frogs and toads.(Zool.)