v. 1 wave, waggle, oscillate, fluctuate, sway, undulate, flutter, flap, flip, flicker, shake, vibrate, quiver, nod, rock, dance, wobble, bob, bobble, waver, Rare vellicate Misty's tail wagged as I approached the house
n. 2 wave, waggle, oscillation, fluctuation, sway, undulation, flutter, vellication, flap, flip, flicker, shake, vibration, quiver, nod, wobble, bobble, waver The dying animal recognized me and gave a feeble wag of her tail