acanthocephalan Acanthocephala • Acanthocephali · · · Info · Definitions · Synonyms · Characters · · acanthocephalan · · Text Latin · · Script 15 · · Length Definitions · · · (noun) any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines. Synonyms: spiny-headed worm. · · Noun Definition 1 Synonyms · · · spiny-headed worm · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074