dogwatch definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Naut. either of the two duty periods (from 4 to 6 P.M. and from 6 to 8 P.M.) that are half the length of a normal period
dogwatch definition by American Heritage Dictionary
- Nautical Either of two short periods of watch duty, from 4 to 6 P.M. or 6 to 8 P.M.
- A late night shift.
Origin: Probably from dog-sleep, a light or interrupted sleep.