any of numerous, usually brightly marked king snakes of the subspecies Lampropeltis triangulum (doliata), of North America.
Origin of milk snake
An Americanism dating back to 1790–1800; so called because they were said to suck milk from cows
Also called house snake, milk adder.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a nonvenomous brown-and-grey North American colubrid snake Lampropeltis doliata, related to the king snakes
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