- percussors
- n. small rubber hammer
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Lithic reduction — The Levallois technique of flint knapping Lithic reduction involves the use of a hard hammer precursor, such as a hammerstone, a soft hammer fabricator (made of wood, bone or antler), or a wood or antler punch to detach lithic flakes from a lump… … Wikipedia
Threshing-board — A threshing board is an obsolete farm implement used to separate cereals from their straw; that is, to thresh. It is a thick board, made with a variety of slats, with a shape between rectangular and trapezoidal, with the frontal part somewhat… … Wikipedia