'Tamp' definitions:

Definition of 'tamp'

From: WordNet
noun
A tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.) [syn: tamp, tamper, tamping bar]
verb
Press down tightly; "tamp the coffee grinds in the container to make espresso" [syn: tamp down, tamp, pack]

Definition of 'Tamp'

From: GCIDE
  • Tamp \Tamp\, v. t. [imp. & p. p. Tamped; p. pr. & vb. n. Tamping.] [Cf. F. tamponner to plug or stop. See Tampion.]
  • 1. 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. [1913 Webster]
  • 2. To drive in or down by frequent gentle strokes; as, to tamp earth so as to make a smooth place. [1913 Webster]