guidon

enUK

gui·don

G0304100 (gī′dŏn′, gīd′n)n.1. A small flag or pennant carried as a standard by a military unit.2. A soldier bearing such a flag or pennant.
[French, from Old French, from Old Italian guidone, from guidare, to guide, from Old Provençal guidar; see guide.]

guidon

(ˈɡaɪdən) n1. (Military) a small pennant, used as a marker or standard, esp by cavalry regiments2. (Military) the man or vehicle that carries this[C16: from French, from Old Provençal guidoo, from guida guide]

gui•don

(ˈgaɪd n)

n. 1. a small military flag carried as a guide for signaling or identification. 2. a soldier carrying a guidon. [1540–50; < Middle French < Italian guidone=guid(are) to guide + -one n. suffix]