diphycercal Hear it!

diphycercal definition

diphy·cer·cal (dif′i sʉr′kəl)

adjective

designating, of, or having a tail fin in which the upper and lower lobes taper symmetrically to a point to which the spinal column extends

Etymology: < Gr diphyēs, twofold (< di-, di- + phyein, to bear, bring forth: see be) + kerkos, tail + -al

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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