ACANTHOCEPHALAN
acanthocephalan, spiny-headed worm
(noun) any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
Source: WordNet® 3.1
Etymology
Noun
acanthocephalan (plural acanthocephalans)
Any of parasitic intestinal worms comprising the phylum Acanthocephala. [First attested late 19th c.]
Synonyms
• (any species of Acanthocephala): spiny-headed worm, thorny-headed worm
Adjective
acanthocephalan
In a manner similar to Acanthocephala. [First attested late 19th c.]
Source: Wiktionary