1. A male person employed to keep watch for some anticipated event
   "The lookout man scanned the horizon for approaching ships"

Derived forms: lookout men

Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], lookout, man, scout, sentinel, sentry, sod [informal], spotter, watch