material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"

chaff, husk, shuck, stalk, stubble, straw - material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

cork - outer bark of the cork oak; used for stoppers for bottles etc.

plant product - a product made from plant material

vegetable tallow - a waxy fat obtained from certain plants (e.g. bayberry) and used as tallow

wood - the hard fibrous lignified substance under the bark of trees