a. [ L. terebrans, -antis, p. pr. ] (Zool.) Boring, or adapted for boring; -- said of certain Hymenoptera, as the sawflies. [ 1913 Webster ]
‖n. pl. [ NL. ] (Zool.) A division of Hymenoptera including those which have an ovipositor adapted for perforating plants. It includes the sawflies. [ 1913 Webster ]