[ sahy-kluh-stohm, sik-luh- ]
/ ˈsaɪ kləˌstoʊm, ˈsɪk lə- /
belonging or pertaining to the Cyclostomata, a subclass of jawless, eellike, marine vertebrates of the class Agnatha, comprising the lampreys and hagfishes.
having a circular mouth.
a cyclostome vertebrate; a lamprey or hagfish.
- cyclothymic disorder
Origin of cyclostome
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cyclostome
The cyclostome fishes have, so far, been discovered only in Scotland, in the tiny Palaeospondylus.
In the amphioxus, as has been said, the cranio-spinal axis alone exists; the Cyclostome fishes are but a step higher.History of the Intellectual Development of Europe, Volume II (of 2)|John William Draper
/ (ˈsaɪkləˌstəʊm, ˈsɪk-) /
any primitive aquatic jawless vertebrate of the class Cyclostomata, such as the lamprey and hagfish, having a round sucking mouth and pouchlike gills
of, relating to, or belonging to the class Cyclostomata
Also called: marsipobranch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
[ sī′klə-stōm′ ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.