Other forms: mesas
A mesa is a flat-topped hill with steep sides. A high mesa, the mesa country, camp on the mesa.
The flat top is a hard layer of rock that has protected the softer rock beneath from washing away. It is a word of the American south-west, and a small one is a butte.
1nounmesaA flat-topped hill with steep sides.
“The road climbed for an hour and came out on a mesa.”
mesa is a hill.
Spanish mesa means a table, from Latin mensa; the shape gave the landform its name.
Latin
mēnsa
Spanish
mesa — table
English, today
mesa
First attested 1759, from Spanish mesa (“table”), from Latin mēnsa. a doublet of mensa.
Etymology from Wiktionary, CC BY-SA