Small flag

• Surveyor's positional marker
• A small flag used by surveyors or soldiers to mark a position

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Fanion \Fan"ion\, n. [See Fanon .] (Mil.) A small flag sometimes carried at the head of the baggage of a brigade. [Obs.] A small flag for marking the stations in surveying.

WordNet Word definitions in WordNet
n. a small flag used by surveyors or soldiers to mark a position

Wiktionary Word definitions in Wiktionary
n. A small flag used for marking positions, especially by soldiers and surveyors.

Wikipedia Word definitions in Wikipedia
A fanion is a small flag used by the French military ; the equivalent of an American guidon or British company colour. The name derives from the Italian word gonfanone, or gonfanon . They were often attached to a small staff which was placed in the muzzle ...