from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The mean solar time for the meridian at Greenwich, England, used as a basis for calculating time throughout most of the world. Also called Greenwich time, Greenwich Mean Time, Zulu time.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
Sorry, no etymologies found.