WALLS[U]›a substance that is spread on walls in order to make them smooth
FOR CUTS[C]UK(USTRADEMARKBand-Aid)›a small piece of sticky material that you put on cuts on your body
be in plaster›UK(USbe in a cast)If your arm or leg is in plaster, it is covered in a hard, white substance to protect a broken bone: She had her leg in plaster for three months after the accident.