[ih-las-muh-brangk, ih-laz-]
  1. an elasmobranch fish.

Origin of elasmobranch

1870–75; < New Latin Elasmobranchii, equivalent to Greek elasm(ós) beaten metal (derivative of elaúnein; see elastic) + -o- -o- + -branchii, plural of -branchius, New Latin coinage based on Greek bránchia branchia
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Historical Examples of elasmobranch

British Dictionary definitions for elasmobranch


  1. any cartilaginous fish of the subclass Elasmobranchii (or Selachii), which includes the sharks, rays, dogfish, and skates
  1. of, relating to, or belonging to the Elasmobranchii
Also called: selachian

Word Origin for elasmobranch

C19: from New Latin elasmobranchii, from Greek elasmos metal plate + brankhia gills
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

elasmobranch in Science


  1. Any of numerous cartilaginous fishes of the subclass Elasmobranchii, having five to seven gill slits on each side, dermal denticles for scales, and a small respiratory opening (spiracle) behind each eye. The pectoral fins of elasmobranchs are often greatly enlarged. Elasmobranchs include the sharks, rays, and skates.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.