gui·don (gi'don', gid'n)
n.
A small flag or pennant carried as a standard by a military unit.
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.]
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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2000 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.