A protective covering, typically of organic matter eg leaves, straw, or peat, placed around plants to prevent the evaporation of moisture, the freezing of roots, while the growth of weeds.
Shredded vegetable (or occasionally mineral) matter used to protect the utmost effective level of earth to guard, insulate, or embellish it, or even discourage weeds or retain dampness.
A material used as mulch, as a decorative redwood bark mulch.
Half-rotten straw, or any similar light, permeable, natural compound strewn on the floor, as on the origins of flowers, to protect from heat, drought, etc., and hinder weed growth and preserve moisture.
a protective covering of rotting veggie matter spread to cut back evaporation and soil erosion