a bluish racer, Coluber constrictor flaviventris, of Ohio to eastern Iowa.
Origin of blue racer
An Americanism dating back to 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for blue racer
a long slender blackish-blue fast-moving colubrid snake, Coluber constrictor flaviventris, of the US
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