- pennon
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![iciba](/etym/ico/iciba.ico)
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[pennon 词源字典] - pennon: see pen
[pennon etymology, pennon origin, 英语词源] - pennon (n.)
![youdao](/etym/ico/youdao.ico)
![iciba](/etym/ico/iciba.ico)
![Dict](/etym/ico/haici.ico)
![YouDict](/etym/ico/youdict.ico)
- long, narrow flag (often triangular or swallow-tailed), late 14c., from Old French penon "feathers of an arrow; streamer, flag, banner," from penne "feather," from Latin penna "feather" (see pen (n.1)).