western rat snake

noun
plural western rat snakes

Definition of western rat snake

: a large, nonvenomous rat snake (Pantherophis obsoletus synonym Pantherophis obsoleta synonym Elaphe obsoleta) of the central U.S. found west of the Mississippi River that is typically black with a white throat

Note: In an alternative classification system, the western rat snake is not considered a separate species but rather included within centrally distributed subspecies (Pantherophis obsoletus obsoletus and P. obsoletus lindheimeri) of a common rat snake.

— compare eastern rat snake, gray rat snake

First Known Use of western rat snake

1975, in the meaning defined above

Keep scrolling for more

Learn More about western rat snake

Time Traveler for western rat snake

Time Traveler

The first known use of western rat snake was in 1975

See more words from the same year

Statistics for western rat snake

Cite this Entry

“Western rat snake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/western%20rat%20snake. Accessed 23 Nov. 2020.

Comments on western rat snake

What made you want to look up western rat snake? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!