Source : Webster's Revised Unabridged Dictionary (1913)

Dancett'e \Dan`cet`t['e]"\, a. [Cf. F. danch['e] dancett['e],
   dent tooth.] (Her.)
   Deeply indented; having large teeth; thus, a fess dancett['e]
   has only three teeth in the whole width of the escutcheon.