patch
nounA small piece of material affixed to another, larger piece to conceal, reinforce, or repair a worn area, hole, or tear.
nounA small piece of cloth used for patchwork.
nounA small cloth badge affixed to a garment as a decoration or an insignia, as of a military unit.
nounA dressing or covering applied to protect a wound or sore.
nounA pad or shield of cloth worn over an eye socket or an injured eye.
nounA transdermal patch.