English to English

noun (n)

• a person employed to keep watch for some anticipated event(noun.person)

  Synonym:
  lookout man, picket, scout, sentinel, sentry, spotter, watch
  

  source: wordnet30
• an elevated post affording a wide view(noun.location)

  Synonym:
  observation post
  

  source: wordnet30
• a structure commanding a wide view of its surroundings(noun.artifact)

  Synonym:
  lookout station, observation tower, observatory
  

  source: wordnet30
• the act of looking out(noun.act)

  Synonym:
  outlook
  

  source: wordnet30
• A careful looking or watching for any object or event.(noun)

  source: webster1913