To pack down tightly by a succession of blows or taps.
To pack clay, sand, or dirt into (a drill hole) above an explosive.
In blasting, to pack clay, sand, etc. around the charge in (the drill hole)
To pack more tightly or make more compact by a series of blows or taps.
To tamp down the soil around the plants.
Origin of tamp
- Perhaps back-formation from tampin variant of tampion
From American Heritage Dictionary of the English Language, 5th Edition
- Probably related to French tamponner (“to plug or stop"). See tampion.