elasmobranch

[ih-las-muh-brangk, ih-laz-]
adjective
1.
belonging or pertaining to the Elasmobranchii, the subclass of cartilaginous fishes comprising the sharks and rays.
noun
2.
an elasmobranch fish.

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

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World English Dictionary
elasmobranch (ɪˈlæsməˌbræŋk, ɪˈlæz-)
 
n
1.  any cartilaginous fish of the subclass Elasmobranchii (or Selachii), which includes the sharks, rays, dogfish, and skates
 
adj
2.  of, relating to, or belonging to the Elasmobranchii
 
[C19: from New Latin elasmobranchii, from Greek elasmos metal plate + brankhia gills]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
elasmobranch   (ĭ-lāz'mə-brāngk')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
He has also developed species-specific mitochondrial markers to aid in the conservation of this endangered elasmobranch.
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