tuber

noun

tub·​er ˈtü-bər 

ˈtyü-

plural tubers

: a person who engages in the sport or activity of riding an inner tube (as down a river or snowy slope) : one who participates in tubing

With so many tubers using the river, streambank erosion became a problem at popular exit points.

—Jerry Gerlach et al.

Skiers, snowboarders and snow tubers have seen everything Mother Nature can throw at them this winter.

—Ron Leonardi

Examples of tuber in a Sentence

Recent Examples on the Web

Before that, the hominin diet was characterized by breadth — tubers, seeds, fruits, insects, meat, marrow — shifting with seasons, geography and opportunity. —Scott Travers, Forbes.com, 6 June 2026

If possible, put cages in place right after planting tubers in spring. —Alexandra Jones, The Spruce, 6 June 2026

Moist soil is important; however, areas where moisture accumulates during the winter are not suitable as this will make the tubers rot. —Lauren David, Southern Living, 4 June 2026

Ashlie, a health coach and grad student in nutritional science, starts many of the leafy greens, roots and tubers, and a whole host of fruits from seed. —Elizabeth Jardina, Better Homes & Gardens, 1 June 2026

Word History

First Known Use

1968, in the meaning defined above

Rhymes for tuber

• gruber

Kids Definition

tuber

noun

tu·​ber ˈt(y)ü-bər 

1

: a short fleshy usually underground stem (as of a potato plant) having tiny scalelike leaves each with a bud at its base that can produce a new plant compare bulb sense 1a, corm

2

: a fleshy root or rhizome that resembles a tuber

Medical Definition

tuber

noun

tu·​ber ˈt(y)ü-bər 

: an anatomical prominence : tuberosity