Tamp (?), v. t. [imp. & p. p. Tamped (?); p. pr. & vb. n. Tamping.] [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.
© Webster 1913.