Pronunciation: (kelp), [key]
1. any large, brown, cold-water seaweed of the family Laminariaceae, used as food and in various manufacturing processes. See illus. under stipe.
2. a bed or mass of such seaweeds.
3. the ash of these seaweeds.
to burn these seaweeds for their ash.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.