tamp definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- in blasting, to pack clay, sand, etc. around the charge in (the drill hole)
- to pack firmly or pound (down) by a series of blows or taps
Origin: uncertain or unknown; perhaps back-formation ; from tampin, variant, variety of tampion
tamp definition by American Heritage Dictionary
transitive verb tamped, 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: Perhaps back-formation from tampin, variant of tampion.