CIRROSTRATUS /ˌsɪɹəˈstɹeɪtəs/ Scrabble 14 Words With Friends 16 Definition noun a thin uniform layer of hazy cloud at high altitude. — synonyms: cirrostratus_cloud See all 483 words you can make from CIRROSTRATUS → 12-letter words Words starting with C Words ending with S ← Unscramble different letters