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ephemeropteran

[ih-fem-uh-rop-ter-uh n]
adjective
  1. belonging or pertaining to the insect order Ephemeroptera, comprising the mayflies.
noun
  1. ephemerid.

Origin of ephemeropteran

< New Latin Ephemeropter(a) (equivalent to Greek ephḗmer(on) ephemeron + -o- -o- + -ptera, neuter plural of -pteros -pterous) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ephemeropteran

ephemeropteran

noun
  1. another word for ephemerid
adjective
  1. of or relating to the Ephemeroptera
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