Foxtail

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