Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Latin
Origin: 'lump, tuber, truffle'

tuber

 noun
     
Related topics: Plants
tu‧ber [countable]
HBP a round swollen part on the stem of some plants, such as the potato, that grows below the ground and from which new plants grow
—tuberous adjective
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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