Large algae growing in the sea or on rocks below the high-water mark: seaweed glistened on the rocks [count noun]: seaweeds abound on most shores
More example sentences
- The most valued of the cultivated seaweeds is the red alga Porphyra, or Nori.
- It was Dr Drew who came to the rescue when she analysed the life cycle of the edible seaweed known as Nori.
- They move slowly along and pick up moving prey from the crevices and seaweed among the rocks.