ACANTHOCEPHALAN Scrabble 27 Words With Friends 31 Definition noun any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines. — synonyms: spiny-headed_worm See all 573 words you can make from ACANTHOCEPHALAN → 15-letter words Words starting with A Words ending with N ← Unscramble different letters