Source : Webster's Revised Unabridged Dictionary (1913)

Tache \Tache\, n. [See {Tack} a kind of nail.]
   Something used for taking hold or holding; a catch; a loop; a
   button. [Obs.] --Ex. xxvi. 6.

Tache \Tache\, n. [F. tache spot. See {Techy}.]
   A spot, stain, or blemish. [Obs.] --Warner.