- a forward position, often on high ground, from which enemy activity can be observed and, particularly, from which artillery or mortar fire can be directed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for observation post
His gas-mask had been blown to atoms with Observation-Post Fourteen.
Two of the members of Observation-Post Fourteen gaped after the retreating monster.
At the end of the main street of the village, opposite a kind of observation-post with ladder in a tree, turn to the right.
The belfry, used by the enemy as an observation-post, was struck by French shells.
Nevertheless, up there was the observation-post which I was about to visit.
- military a position from which observations can be made or from which fire can be directedAbbreviation: OP
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012