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Meaning of armpatch

arm•patch

Pronunciation: (ärm'pach"), [key]
— n.
  1. an insignia, badge, slogan, or the like sewn on the sleeve of a uniform shirt or jacket or affixed to an armband to indicate one's affiliation, sponsorship, rank, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.