Source : Webster's Revised Unabridged Dictionary (1913)

Pennoncel \Pen"non*cel`\, Pennoncelle \Pen"non*celle`\, n. [OF.
   penoncel. See {Pennant}.]
   See {Pencel}.

Source : WordNet®

pennoncel
     n : a small pennant borne on a lance [syn: {penoncel}, {pennoncelle}]