Definitions of dressing:

noun: the act of applying a bandage
noun: the activity of getting dressed; putting on clothes
noun: processes in the conversion of rough hides into leather
noun: a cloth covering for a wound or sore
noun: savory dressings for salads; basically of two kinds: either the thin French or vinaigrette type or the creamy mayonnaise type
noun: a mixture of seasoned ingredients used to stuff meats and vegetables
noun: making fertile as by applying fertilizer or manure