pennon

[pen-uh n] /ˈpɛn ən/
noun
1.
a distinctive flag in any of various forms, as tapering, triangular, or swallow-tailed, formerly one borne on the lance of a knight.
2.
a pennant.
3.
any flag or banner.
4.
a wing or pinion.
Origin
1325-75; Middle English penon < Middle French, augmentative of Old French pene < Latin penna or pinna feather. See pen1
Related forms
pennoned, adjective
unpennoned, adjective
Examples from the web for pennon
  • With the red and gold chrysanthemum pennon snapping over a fender, his maroon car rolled past his surprised subjects.
British Dictionary definitions for pennon

pennon

/ˈpɛnən/
noun
1.
a long flag, often tapering and rounded, divided, or pointed at the end, originally a knight's personal flag
2.
a small tapering or triangular flag borne on a ship or boat
3.
a poetic word for wing
Word Origin
C14: via Old French ultimately from Latin penna feather
Word Origin and History for pennon
n.

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)).