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rainbow darter

a stout darter, Etheostoma caeruleum, inhabiting the Great Lakes and Mississippi River drainages, the spawning male of which has the sides marked with oblique blue bars with red interspaces.
Also called soldierfish.
Origin of rainbow darter
An Americanism dating back to 1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for rainbow darter
Historical Examples
  • Although so abundant and so brilliant in the springtime, the rainbow darter is known to few but naturalists.

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