SPLENIUS /ˈspliːnɪəs/ Scrabble 10 Words With Friends 14 Definition noun either of two flat muscles that extend from the upper vertebrae to the base of the skull and serve to rotate or flex or extend the head and neck. — synonyms: splenius_muscle Anagrams of SPLENIUS spinules See all 167 words you can make from SPLENIUS → 8-letter words Words starting with S Words ending with S ← Unscramble different letters