- 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. - To drive in or down by frequent gentle strokes; as, to
tamp earth so as to make a smooth place.
Meaning of 'tamp' (Princeton's WordNet)
1 . tamp
[ v]
Meaning (1): - press down tightly
Example in sentence:
tamp the coffee grinds in the container to make espresso