from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Standard time in the seventh time zone west of Greenwich, England, reckoned at 105° west and used in the Rocky Mountain states of the United States. Also called Mountain Time.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The time of day in the time zone that encompasses the segment of the United States that includes the Rocky Mountains.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States
Sorry, no etymologies found.