Kelp (noun)

1. Any of various large brown seaweeds of the order Laminariales that grow in cold coastal waters and are used for food, as a source of iodine, and in the production of alginates and other products.
2. A brown seaweed that grows in the colder waters of the sea and can be used for food and to make various products.

Origin:

From old english cealp, from proto-germanic *kalpaz.

Examples:

1. The kelp forest off the coast of California is home to many marine animals.
2. Kelp is a rich source of iodine and other minerals.
3. Kelp is used in many Asian cuisines as a vegetable.
4. Kelp is also used to make alginates which are used in many industrial products.
5. Kelp is also used to make biofuel.