SEAWEEDS Scrabble 12 Words With Friends 12 Definition SEAWEEDS is the plural of SEAWEED. noun SEAWEED: plant growing in the sea, especially marine algae. Anagrams of SEAWEEDS seesawed See all 63 words you can make from SEAWEEDS → 8-letter words Words starting with S Words ending with S ← Unscramble different letters