n. an observation tower, in which a lookout keeps watch over prisoners, or looks out for fires etc
the GNU version of the Collaborative International Dictionary of English
n. A tower in which a sentinel is placed to watch for enemies, the approach of danger, or the like.
The Century Dictionary and Cyclopedia
n. A tower on which a sentinel is placed to watch for enemies, for the approach of danger, etc.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an observation tower for a lookout to watch over prisoners or watch for fires or enemies
Word Usage
"He eventually videotapes what he describes as a watchtower, dozens of large tents, an old ambulance, and what he says are picnic tables and games on the other side of a six-foot chain-link fence topped with razor wire."