Foxtail /(?)/

Fox·tail

Foxtail

n.
  1. The tail or brush of a fox.
  2. The name of several kinds of grass having a soft dense head of flowers, mostly the species of Alopecurus and Setaria. (Bot.)
  3. The last cinders obtained in the fining process. (Metal.)

Phrases & Compounds
Foxtail saw
a dovetail saw.
Foxtail wedging
See Fox wedge, under Fox.