from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A broad, flat-topped elevation with one or more clifflike sides, common in the southwest United States.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Flat area of land or plateau higher than other land, with one or more clifflike edges
Spanish, table, mesa, from Old Spanish, table, from Latin mēnsa.(American Heritage® Dictionary of the English Language, Fourth Edition)
First attested 1759, from Spanish mesa ("table"), from Latin mēnsa. (Wiktionary)