seaweed B1 Topic:Nature & Landscape Also spelled sea-weed US /ˈsiwid/ UK /ˈsiːwiːd/ See IPA manual Freq #13979 Meanings 1 noun A plant or alga that grows in the sea. Strands of green seaweed washed up on the beach. Thesaurus Word family Forms seaweeds Derived forms nanoseaweedseaweededseaweedlessseaweedlikeseaweedy Etymology From sea + weed. Topics Nature & Landscape External links Cambridge Dictionary Wiktionary Google Images # seaweed **Type:** Word **Level:** B1 **Part of speech:** noun **IPA (US):** /ˈsiwid/ **IPA (UK):** /ˈsiːwiːd/ **Frequency rank:** 13979 ## Meanings 1. A plant or alga that grows in the sea. ## Examples - Strands of green seaweed washed up on the beach. ## Derived Forms - nanoseaweed - seaweeded - seaweedless - seaweedlike - seaweedy ## Etymology From sea + weed. ## Topics - Nature & Landscape markdown