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ephemerid

[ih-fem-er-id]
noun
  1. an insect of the order Ephemeroptera, comprising the mayflies.
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Origin of ephemerid

From the New Latin word Ephemeridae, dating back to 1870–75. See ephemeral, -id2
Also called ephemeropteran.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ephemerid

Historical Examples of ephemerid

  • They are like the Ephemerid insects which live for a summer day only.

    The Romance of Plant Life

    G. F. Scott Elliot

  • The name of the family to which they belong, Ephemerid, suggests their ephemeral existence.

  • Those examples are provided by Rotifera (inferior worms) and by Ephemerid.

  • In the Ephemerid they lie in planes approaching the vertical, slightly diverging from each other towards their extremities.

    Old Flies in New Dresses

    Charles Edward Walker

  • I do not propose in this work to deal with Ephemerid, as the wings in the imitations now sold are in the natural position.

    Old Flies in New Dresses

    Charles Edward Walker


British Dictionary definitions for ephemerid

ephemerid

noun
  1. any insect of the order Ephemeroptera (or Ephemerida), which comprises the mayfliesAlso called: ephemeropteran
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Word Origin for ephemerid

C19: from New Latin Ephēmerida, from Greek ephēmeros short-lived + -id ²
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