Pennsylvanian
WordNet
noun
(1) A native or resident of Pennsylvania
(2) From 310 million to 280 million years ago; warm climate; swampy land
WiktionaryText
Noun
- An inhabitant or a resident of the state of Pennsylvania.
- Any of the three Pennsylvanian epochs.
Adjective
Pennsylvanian
- of any of the three geologic epochs (lower, middle and upper) within the Carboniferous period from 318 to 299 million years ago; marked by a high oxygen atmosphere and the rise of reptiles and winged insects.
- of, or pertaining to the state of Pennsylvania.