Meaning of "coastal plain" milk snake

a harmless North American constrictor that is typically strongly marked with red and black on yellow or white. It was formerly supposed to suck milk from sleeping cows.

milk snake

milk snake

n.
Any of the various subspecies of the royal snake Lampropeltis triangulum, ranging from the east and center of the United States south to Ecuador and that often they have red, black and yellow or white bands. It is also called domestic snake , milk adder .

[ For the popular belief that snakes (which are commonly seen around stables

milk snake

milk snake

n
(Animals) a brown and gray North American collared snake not Lampropeltis doliata, related to king serpents

milk′ snake`

milk 'snake'

n n.
any of the numerous, usu. Seriously bright king snakes of the subspecies Lampropeltis triangulum ( doliata ), of North America.
[1790-1800]