Etymology From French reconnoître (obsolete spelling of reconnaître), from Latin recognoscere (“to recognize”). Contrarily, there is also an obsolete 19th-century British English spelling reconnaitre (now reconnoitre).
1
Government, Military, Politics, WarUS To perform a reconnaissance (of an area; an enemy position); to scout with the aim of acquiring information.
Our scout will reconnoiter the path ahead of our troops.
Not everything is exactly right on the Enterprise. Something is burning somewhere. People are firing guns. She's not entirely sure she wants to be there. As long as she is high up in the air, she reconnoiters the ship and confirms that there is no way off, no handy gangplanks or stairway thingies.1992, Neal Stephenson, Snow Crash, page 395:
Etymology From French reconnoître (obsolete spelling of reconnaître), from Latin recognoscere (“to recognize”). Contrarily, there is also an obsolete 19th-century British English spelling reconnaitre (now reconnoitre).