A military outpost, usually at a height above the surrounding terrain, at or near the front line of a battle from which an observer may see the enemy's positions and direct artillery fire.
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "observation post" in a sentence
"Just after 7: 30 a.m., a civilian lookout in the observation post on Sapper Hill saw two columns of smoke on the southwestern horizon."
"Even a textbook par on the uphill eighteenth, with the glamorous clubhouse sitting off to the right like an observation post from which members could evaluate the suffering of their peers, even a lively conversation with Sylviawhich took us from cystic fibrosis to Italian politics (The coalition is crippled by the extreme left), to maternity leave (Its a generous policy we have, but those women are rendering an important service), to the retirement age (Too young here; its putting a strain on the economy), to my work (Give me your name so I can tell my friends I played with a writer)couldnt leave me with much optimism."