 appalachian_mountains |
||
| 1. | [ noun ] (geography) a mountain range in the eastern United States extending from Quebec to the Gulf of Mexico; a historic barrier to early westward expansion of the United States | |
| Synonyms: | Appalachians | |
| Related terms: | range East Great_Smoky_Mountains Blue_Ridge_Mountains Alleghenies Cumberland_Mountains Catskills Appalachia | |
