SHELLFISH /ˈʃɛlˌfɪʃ/ Scrabble 18 Words With Friends 18 Definition noun meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean). noun invertebrate having a soft unsegmented body usually enclosed in a shell. — synonyms: mollusk, mollusc See all 93 words you can make from SHELLFISH → 9-letter words Words starting with S Words ending with H ← Unscramble different letters