tuber
UK /ˈtjuːbə(ɹ)/ · US /ˈtubɚ/ noun, proper noun
Forms tubers tubera
- noun A fleshy, thickened underground stem of a plant, usually containing stored starch, for example a potato or arrowroot.
- noun (horticulture) A thickened rootstock.
- noun (anatomy) A rounded, protuberant structure in a human or animal body.
- noun One who tubes.
- proper noun A surname.
Synonyms
Etymology
From Latin tūber (“bump, hump, swelling”).
Webster’s 1913
- noun (a) A fleshy, rounded stem or root, usually containing starchy matter, as the potato or arrowroot; a thickened root-stock. See Illust. of Tuberous.
- noun A tuberosity; a tubercle.
Etymology [L., a hump. knob; probably akin to tumere to swell. Cf. Tumid.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “tuber”, CC BY-SA 4.0. Details