狐尾榫
暗楔法

Foxtail \Fox"tail`\, 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.
--Raymond.

{Foxtail saw}, a dovetail saw.

{Foxtail wedging}. See {Fox wedge}, under {Fox}.