polysaccharide: starch. Storage form of carbohydrate in plants, plants use for energy Mainly in seeds, roots, and tubers-similar in structure to glycogen but fewer branches-potatoes and grains are major sources of starch.
Wiktionary (0.00 / 0 votes) Rate this definition: dustbowl (Noun) An area which abounds in dust and which is very dry. dustbowl (Noun) The central region of the United States during the 1930s. dustbowl (Noun) The 1930s period.
Definition of bowl. 1  1 : a concave usually nearly hemispherical vessel : a rounded container that is usually larger than a cup a soup bowl a set of mixing bowls; specifically : a drinking vessel (as for wine) 2  2 : the contents of a bowl ate a bowl of rice.