Tubers

Part of speech: noun

Definitions

1. A class of plant structures that develop beneath the soil to store nutrients and energy
2. Specialized growths found underground that serve as nutrient reserves for plants, often used for human consumption
3. Thickened parts of roots or stems that store food and energy beneath the soil

Etymology: Tubers are plants' swollen underground stems, and the word's Latin ancestor, "tūber," meant "bump, hump, swelling," describing any rounded protrusion rather than anything buried. The Latin word is usually linked to the same root as "tuba" (a trumpet), though the swelling sense is what English took over. Its use for plant parts came with the botanical description of underground swellings, such as potatoes and dahlia roots, which share this swollen-stem character. The English word itself arrived through Middle French "tubere" or Latin directly, and it is the plural form of "tuber," a noun whose English history is plain and borrowed rather than inherited. Plural "tubers" is simply the regular plural, so the story belongs to the singular.

Synonyms: roots, bulbs, corms