dancetté

from The Century Dictionary.

• In heraldry, having the edge or outline broken into large and wide zigzags: same as indented, except that the notches are deeper and wider. Thus, a fesse dancetté has each of its edges broken into three or four large teeth or zigzags.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Her.) Deeply indented; having large teeth; thus, a fess dancetté has only three teeth in the whole width of the escutcheon.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective heraldry Deeply indented; having large teeth.