[tel-ee-ost, tee-lee-]
  1. Also called tel·e·o·stome [tel-ee-uh-stohm, tee-lee-] /ˈtɛl i əˌstoʊm, ˈti li-/. a teleost fish.
Sometimes tel·e·os·te·an [tel-ee-os-tee-uh n, tee-lee-] /ˌtɛl iˈɒs ti ən, ˌti li-/.

Origin of teleost

1860–65; < New Latin Teleostei infraclass name (designating fish with completely ossified skeletons), plural of teleosteus, equivalent to Greek tele- tele-2 + -osteos -boned, adj. derivative of ostéon bone; see osteo-, -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for teleost

Historical Examples of teleost

British Dictionary definitions for teleost


  1. any bony fish of the subclass Teleostei, having rayed fins and a swim bladder: the group contains most of the bony fishes, including the herrings, carps, eels, cod, perches, etc
  1. of, relating to, or belonging to the Teleostei

Word Origin for teleost

C19: from New Latin teleosteī (pl) creatures having complete skeletons, from Greek teleos complete + osteon bone
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

teleost in Science


[tĕlē-ŏst′, tēlē-]
  1. See bony fish.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.