aschelminth
Concise Oxford English Dictionary © 2008 Oxford University Press:
aschelminth /ˈaʃhɛlmɪnθ, ˈask-/
▶noun (pl. aschelminths or aschelminthes) Zoology a typically worm-like invertebrate of a large group that lack a well-developed coelom and blood vessels and include the nematodes, rotifers, and water bears.
– origin from mod. L. Aschelminthes (former phylum name), from Gk askos ‘sac’ + helminth ‘worm’ (from the former belief that animals of this group had a fluid-filled internal sac).
'aschelminth' also found in these Oxford entries:
