Definitions
1.verb(blasting) To plug up with clay, earth, dry sand, sod, or other material, as a hole bored in a rock.
2.verbTo drive in or pack down by frequent gentle strokes"Tamp earth so as to make a smooth place."
3.verbTo reduce the intensity of.
4.adjectivePounded hard
5.adjectivePacked down"1957: whose floor was of tamped earth — Lawrence Durrell, Justine, p.85 (Faber)"