- 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 tampuncertain or unknown; perhaps back-formation from tampin, variant, variety of tampion
transitive verbtamped, tamp·ing, tamps
- To pack down tightly by a succession of blows or taps.
- To pack clay, sand, or dirt into (a drill hole) above an explosive.
Origin of tampPerhaps back-formation from tampin variant of tampion
(third-person singular simple present tamps, present participle tamping, simple past and past participle tamped)
Probably related to French tamponner (“to plug or stop"). See tampion.