from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A cyst formed as a result of infestation by larvae of the tapeworm Echinococcus granulosus.
- n. The encysted larva of E. granulosus.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A cyst due to infection by larvae of some species of the tapeworm Echinococcus
from the GNU version of the Collaborative International Dictionary of English
- n. A membranous sac or bladder filled with a pellucid fluid, found in various parts of the bodies of animals, but unconnected with the tissues. It is usually formed by parasitic worms, esp. by larval tapeworms, as Echinococcus and Cœnurus. See these words in the Vocabulary.
from The Century Dictionary and Cyclopedia
- n. In pathology, a cyst with aqueous contents found in the tissue, formed by a tænia in its larval state, especially in man by Tænia echinococcus.
- n. In zoology, the encysted larval state of the wandered scolex of a tapeworm, especially of Tœnia echinococcus.
- In zoology, encysted; being in the cystic state, as the larva of a tapeworm when it is a cysticercus, cœnure, or echinococcus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. cyst filled with liquid; forms as a result of infestation by tapeworm larvae (as in echinococcosis)
Greek hudatis, hudatid-, watery vesicle, from hudōr, hudat-, water; see wed-1 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)