Word Study
security guard
WORDNET DICTIONARY
Noun security guard has 1 sense
- security guard(n = noun.person) watcher, watchman - a guard who keeps watch; Array is a member of private security force, security force
has particulars: bank guard, fire watcher, lookout, lookout man, picket, scout, sentinel, sentry, spotter, watch, night watchman, patroller, port watcher, portwatcher
is a kind of guard
For further exploring for "security guard" in Webster Dictionary Online