se·la·chi·an /səˈlekiən/
Se·la·chi·an n. Zool. One of the Selachii. See Illustration in Appendix.
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selachian
n : any of numerous fishes of the class Chondrichthyes
characterized by a cartilaginous skeleton and placoid
scales: sharks; rays; skates [syn: elasmobranch]