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Definition of Tuber
1. Noun. A fleshy underground stem or root serving for reproductive and food storage.
Specialized synonyms: Water Chestnut, Groundnut, Potato Bean, Wild Bean, Jerusalem Artichoke, Yam
Generic synonyms: Stalk, Stem
Derivative terms: Tuberous
Generic synonyms: Stalk, Stem
Derivative terms: Tuberous
2. Noun. Type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles.
Exact synonyms: Genus Tuber
Generic synonyms: Fungus Genus
Group relationships: Family Tuberaceae, Tuberaceae
Member holonyms: Earth-ball, Earthnut, Truffle
Generic synonyms: Fungus Genus
Group relationships: Family Tuberaceae, Tuberaceae
Member holonyms: Earth-ball, Earthnut, Truffle
Definition of Tuber
1. n. A fleshy, rounded stem or root, usually containing starchy matter, as the potato or arrowroot; a thickened root-stock. See Illust. of Tuberous.
Definition of Tuber
1. a thick underground stem [n -S]
Medical Definition of Tuber
1. A starchy storage organ (such as a potato) formed by swelling of an underground stem or the distal end of a root. (09 Oct 1997)