ETYM Old Eng. penon, penoun, pynoun, Old Fren. penon, French pennon, from Latin penna feather. Related to Pen a feather, and cf. Pennon, Pinion.
1. A flag longer than it is wide (and often tapering).
2. A long flag; often tapering; SYN. pennon, streamer, waft.
3. The award given to the champion; SYN. crown.
4. Pennon-shaped flag, especially on ships or boats.