Definition of "tamp" []

• To pack down tightly by a succession of blows or taps. (verb-transitive)
• To pack clay, sand, or dirt into (a drill hole) above an explosive. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "No knock that I could see - but a variation on the Staub tamp, which is a four quadrant tamp."
• "I noted that he tamped extremely well and used the piston tamp, that is, the arm straight up and bent at the elbow."
• "It's to kind of tamp down this sort of hysteria that led up to it."