noun
tuber
TOO-ber/ˈtuːbər/
A swollen plant part storing nutrients.
A potato tuber stores nutrients that help the plant grow.
Etymology
Latin tuber linked edible underground growths with lumps and swellings. The botanical meaning preserves that image: a plant stem thickened into a food-storage organ.
In context
in this case a tuber would develop right there
More examples
- Each tuber can sprout into a new potato plant.
- The gardener digs up the dahlia tubers before winter.
- Keep the tubers in a cool, dry place until spring.
Forms
tuber · tubers
tuberous adjective — Having or resembling swollen plant storage parts.
Similar words
- bulb
- Stores nutrients in fleshy leaf layers around a short stem.
- corm
- A solid underground storage stem with a papery outer covering.