echinococcus (plural echinococci)
- (zoology) A parasite of humans and of many domestic and wild animals, the larval stage of Echinococcus granulosus, that forms compound cysts or tumours (called hydatid cysts) in various organs, but especially in the liver and lungs.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for echinococcus in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)