Definition of coelacanth
: any of an order (Coelacanthiformes) of lobe-finned fishes known chiefly from Paleozoic and Mesozoic fossils
Origin of coelacanth
ultimately from Greek koilos hollow + akantha spine — more at cave
First Known Use: 1857
Learn More about coelacanth
Britannica.com: Encyclopedia article about "coelacanth"
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