[ tel-suh n ]
/ ˈtɛl sən /


the last segment, or an appendage of the last segment, of certain arthropods, as the middle flipper of a lobster's tail.

Origin of telson

First recorded in 1850–55, telson is from the Greek word télson boundary, limit
Related formstel·son·ic [tel-son-ik] /tɛlˈsɒn ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for telson

British Dictionary definitions for telson


/ (ˈtɛlsən) /


the last segment or an appendage on the last segment of the body of crustaceans and arachnids
Derived Formstelsonic (tɛlˈsɒnɪk), adjective

Word Origin for telson

C19: from Greek: a boundary; probably related to telos end
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

Word Origin and History for telson



1855, from Greek telson "a limit" (see tele-).

Online Etymology Dictionary, © 2010 Douglas Harper