Definitions

1. noun

A swollen underground stem or root, especially one that produces edible tubers, such as potatoes or sweet potatoes.

“The farmer harvested the tubers from his field.”

2. noun

A swelling or a prominence, especially one on the skin, such as a tuber on a potato.

“The gardener noticed a tuber on the stem of the plant.”

3. noun

A rounded or oval body part, such as a tuber on a fish.

“The fish had a large tuber on its back.”