• noun a tool for boring holes, made up of a long shank with a cutting edge and a screw point. Soil augers are used to obtain samples of soil for analysis.
  • noun a device on a combine harvester (shaped like a large screw) which carries the grain up into the grain tank


  • A carpenter's hand tool used for boring holes in wood.
  • A hand-held or rotary-powered tool with a helical cutting edge used for drilling holes in soil. Augers are used for taking soil samples, drilling for caissons, or drilling for cast-in-place piles.