tampv. t.[Cf. F. tamponner to plug or stop. See Tampion.]1. In blasting, to plug up with clay, earth, dry sand, sod, or other material, as a hole bored in a rock, in order to prevent the force of the explosion from being misdirected.()2. To drive in or down by frequent gentle strokes; as, to tamp earth so as to make a smooth place.()