from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unit measuring the work of one person in a year, based on a standard number of man-days.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One person's working time for a year, or the equivalent, used as a measure of how much work or labor is required or consumed to perform some task.
Sorry, no etymologies found.