cyclostome

noun

cy·​clo·​stome ˈsī-klə-ˌstōm 

: any of a class (Cyclostomata) of jawless fishes having a large sucking mouth and comprising the hagfishes and lampreys

Examples of cyclostome in a Sentence

Recent Examples on the Web

In 2016, a group of scientists in the U.S. proposed a hypothesis that the Tully monster was an early vertebrate similar in some anatomical details to the modern cyclostomes (a group including today jawless fish like lamprey and hagfish). —David Bressan, Forbes, 18 Apr. 2023

Word History

Etymology

ultimately from Greek kykl- + stoma mouth — more at stomach entry 1

First Known Use

1835, in the meaning defined above

Medical Definition

cyclostome

noun

cy·​clo·​stome ˈsī-klə-ˌstōm, ˈsik-lə- 

: any vertebrate of the class or order Cyclostomata