Meaning of observer

ob•serv•er

Pronunciation: (ub-zûr'vur), [key]
— n.
  1. someone or something that observes.
  2. a delegate to an assembly or gathering, who is sent to observe and report but not to take part officially in its activities.
    1. a member of an aircrew, other than the pilot, holding an aeronautical rating.
    2. a person who maintains observation in an aircraft during flight.
  3. Also calleda person who serves in an aircraft as a reconnoiterer and directs artillery fire.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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