What is the meaning of Band-aid?

An adhesive bandage, a small piece of fabric or plastic that may be stuck to the skin in order to temporarily cover a small wound.

A temporary or makeshift solution to a problem, created ad hoc and often with a lack of foresight.

To apply an adhesive bandage.

To apply a makeshift fix; to jury-rig.

band-aid (adhesive bandage)

Source: wiktionary.org