tuberous

adjective

tu·​ber·​ous ˈtü-b(ə-)rəs 

ˈtyü-

1

: consisting of, bearing, or resembling a tuber

2

: of, relating to, or being a plant tuber or tuberous root of a plant

Examples of tuberous in a Sentence

Recent Examples on the Web

The stems of angel-wing, dragon-wing, and tuberous begonias bow down under the weight of the pendulous flowers. —Brandee Gruener, Southern Living, 5 Apr. 2026

Common types, such as tuberous and wax begonias, are said to have a cucumber-like crunch and a slightly citrusy, tangy taste. —Derek Carwood, Better Homes & Gardens, 12 Mar. 2026

Lobelia with its beautiful blue, Scaevola, tuberous begonias and many other gorgeous flowering plants appear this time of year. —Becky Wern, Florida Times-Union, 7 Mar. 2026

The plant in question is neither an artichoke nor of Jerusalem origin, but rather a sunflower (Helianthus tuberous) native to the U.S. from the Great Lakes down to the South. —Joshua Siskin, Oc Register, 1 Jan. 2026

Word History

First Known Use

1650, in the meaning defined at sense 1

Phrases Containing tuberous

• tuberous root

Kids Definition

tuberous

adjective

tu·​ber·​ous ˈt(y)ü-b(ə-)rəs 

1

: consisting of, resembling, or producing a tuber

2

: of, relating to, or being a plant tuber

Medical Definition

tuberous

adjective

tu·​ber·​ous ˈt(y)ü-b(ə-)rəs 

: characterized by or being knobby or nodular lesions

tuberous xanthomas on the knees