fanion [
'fænjən]
n. 测旗(测量用小旗)
fanion[ noun ]
a small flag used by surveyors or soldiers to mark a position
<noun.artifact>
Fanion \Fan"ion\, n. [See {Fanon}.]
1. (Mil.) A small flag sometimes carried at the head of the
baggage of a brigade. [Obs.]
2. A small flag for marking the stations in surveying.