from The Century Dictionary.
- noun One of the Acanthocephala.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
from The American Heritage® Dictionary of the English Language, 4th Edition
[From New Latin Acanthocephala, phylum name : acantho– + Greek kephalē, head; see –cephalous.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek ἄκανθος (akanthos, "thorn") + κεφαλή (kephalē, "head")