Tamper 1 : A device for tamping. Specific versions are known as hand tamper (a rod with a square or circular foot), air tamper (driven by compressed air) and automotive tamper (informally called a wacker)
Peter Milne and Kieran Sharp, ARRB Group, and Bob Ungers, consultant, Austroads Glossary of Terms (4th Ed.), Austroads Ltd., Sydney, NSW, Australia 2010. http://www.bicyclensw.org.au/files/u1/Austroads_Gl ossary_of_Terms_4th_edition.pdf (Road Trfc and Transp Sfty - Brit) {529}