1. (with reference to an animal's tail) move or cause to move rapidly to and fro: "his tail began to wag"
▪ move (an upward-pointing finger) from side to side to signify a warning or reprimand: "she wagged a finger at Elinor"
▪ (used of a tongue, jaw, or chin, as representing a person) talk, especially in order to gossip or spread rumors:"this is a small island, and tongues are beginning to wag"
