kelp
nounUK /kelp/
US /kelp/
Kelp is a big brown plant that grows in the sea.
The sea otter wrapped itself in kelp so it would not float away.
SYNONYMS
OTHER MEANINGS
2. Kelp is often used as a fertilizer for gardens and farms.
The farmer spread dried kelp on the soil to help the vegetables grow.
3. Kelp is used in some foods and food thickeners.
This ice cream contains kelp to make it smooth.
4. Kelp can mean the ash left after burning seaweed, used to make soap and glass.
Long ago, workers collected kelp from the shore to make soap.