seaweed.

Marine algae visible as plantlike growths in the sea or washed onto shores.

Use it for

Words that belong together

• stranded seaweed
• slippery seaweed
• seaweed-covered rocks

On the page

Seaweed striped the beach above the wet sand.

He slipped on seaweed covering the lowest rocks.

A ribbon of seaweed drifted past the pier.

Usage notes

Primary category: environment. A broad everyday term; includes many forms and colors, not all of them kelp. Plural: seaweeds for kinds or separate specimens; mass seaweed common.