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WordReference Random House Learner's Dictionary of American English © 2024tu•ber1 /ˈtubɚ, ˈtyu-/USA pronunciation n. [countable]- Botanya thick, fleshy underground stem, as a potato.
tu•ber•ous, adj. WordReference Random House Unabridged Dictionary of American English © 2024tu•ber1 (to̅o̅′bər, tyo̅o̅′-),USA pronunciation n. - Botanya fleshy, usually oblong or rounded thickening or outgrowth, as the potato, of a subterranean stem or shoot, bearing minute scalelike leaves with buds or eyes in their axils from which new plants may arise.
- Anatomya rounded swelling or protuberance;
a tuberosity;
a tubercle.
- Latin tūber bump, swelling. Compare truffle
- 1660–70
- a person or thing that forms, installs, or operates with tubes.
- SportAlso called inner-tuber. a person who participates in the sport of tubing.
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