from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The parasitic larva of a trematode worm, having a tail that disappears in the adult stage.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The parasitic larva of trematodes; its tail disappears when adult.
from the GNU version of the Collaborative International Dictionary of English
- n. The larval form of a trematode worm having the shape of a tadpole, with its body terminated by a tail-like appendage.
from The Century Dictionary and Cyclopedia
- n. In zoöl, the second larval stage of a trematoid worm or fluke, named by O. F. Müller in 1786 as a genus of infusorians.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage
New Latin cercāria : Greek kerkos, tail + -āria, feminine of Latin -ārius, -ary.(American Heritage® Dictionary of the English Language, Fourth Edition)