To save this word, you'll need to log in.
Definition of Pennsylvanian
1 : of or relating to Pennsylvania or its people
2 : of, relating to, or being the period of the Paleozoic era in North America between the Mississippian and Permian or the corresponding system of rocks — see Geologic Time Table
Keep scrolling for more
Test Your Vocabulary
Great Scrabble Words—A Quiz
- Which of the following Q-without-U words means the number five in cards or dice?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quizSemantic Drift Quiz
A challenging quiz of changing words.
Take the quizSpell It
Can you spell these 10 commonly misspelled words?
Take the quizAdd Diction
Build a chain of words by adding one letter at a time.
Play the game
Share Pennsylvanian
Time Traveler for Pennsylvanian
The first known use of Pennsylvanian was in 1698
See more words from the same year