The Collaborative International Dictionary of English v.0.48:
Pennoncel \Pen"non*cel`\, Pennoncelle \Pen"non*celle`\, n. [OF. penoncel. See Pennant.] A small pennon borne on a lance. See Pencel. [Also spelled penoncel.] [1913 Webster]WordNet (r) 3.0 (2006):
pennoncelle n 1: a small pennant borne on a lance [syn: pennoncel, penoncel, pennoncelle]