noun.
A band worn around the upper arm, often as identification or as a symbol of mourning or protest.
The Century Dictionary and Cyclopedia
noun.
A piece of crooked iron attached to a rail or to a stone block fixed against the walls in barrack-rooms, to retain the soldiers' muskets when not in use.
the GNU version of the Collaborative International Dictionary of English
noun.
a band worn around arm as identification or to indicate mourning.