cyclostome

cyclostome

[sahy-kluh-stohm, sik-luh-]
adjective
1.
belonging or pertaining to the Cyclostomata, a subclass of jawless, eellike, marine vertebrates of the class Agnatha, comprising the lampreys and hagfishes.
2.
having a circular mouth.
noun
3.
a cyclostome vertebrate; a lamprey or hagfish.

Origin:
1825–35; cyclo- + -stome

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Collins
World English Dictionary
cyclostome (ˈsaɪkləˌstəʊm, ˈsɪk-)
 
n
1.  any primitive aquatic jawless vertebrate of the class Cyclostomata, such as the lamprey and hagfish, having a round sucking mouth and pouchlike gills
 
adj
2.  of, relating to, or belonging to the class Cyclostomata
 
cyclostomate
 
adj
 
cyclostomatous
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
cyclostome   (sī'klə-stōm')  Pronunciation Key 
Any of various jawless fish of the order Cyclostomata, having a long, eellike body without scales, a cartilaginous skeleton, and a disklike mouth used for sucking juices from prey. Cyclostomes include the hagfish and lampreys, although some scientists classify these two groups as separate orders.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

cyclostome

any member of the order Cyclostomata (class Agnatha), which contains the lamprey and the hagfish (qq.v.). These fish are characterized by a long slender body without scales and fins, a sucking mouth with horny teeth, a cartilaginous skull, and a notochord.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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