Answer: watchtower

AnswerCrossword Clue
WATCHTOWERSentinel site
WATCHTOWERLookout's post
WATCHTOWERObservation post
WATCHTOWERSentinel's post
WATCHTOWERSentinel's perch
WATCHTOWERSentry's lookout
WATCHTOWERLookout post
watchtowerA tower built to create an elevated observation point
watchtowera tower for a lookout