The definition of a flag is a piece of fabric attached to a pole usually with symbolic colors or patterns.(noun)
An example of flag is the banner with stars and stripes that hangs in front of fire stations in the United States.
Flag is defined as to signal or mark something to get someone's attention.(verb)
See flag in Webster's New World College Dictionary
Origin: LME flagge < flag, in obs. sense “to flutter”
Origin: ME flagge < ON flaga, slab of stone < IE *plāk-, to spread out, flat < base *plā > plain
Origin: ME flagge < ?
See flag in American Heritage Dictionary 4
Origin: Origin unknown.
Origin: Middle English flagge, reed
Origin: , of Scandinavian origin.
intransitive verb flagged flagged, flag·ging, flags
Origin: Possibly of Scandinavian origin
Origin: ; akin to Old Norse flögra, to flap about.
Origin: Middle English flagge, piece of turf
Origin: , from Old Norse flaga, slab of stone; see plāk-1 in Indo-European roots.
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