Source : Webster's Revised Unabridged Dictionary (1913)

Enmanch'e \En`man`ch['e]"\, a. [F.; pref. en- (L. in) + manche
   sleeve.] (Her.)
   Resembling, or covered with, a sleeve; -- said of the chief
   when lines are drawn from the middle point of the upper edge
   upper edge to the sides.