reconnaissance

noun

re·​con·​nais·​sance ri-ˈkä-nə-zən(t)s 

-sən(t)s

: a preliminary survey to gain information

especially : an exploratory military survey of enemy territory

Examples of reconnaissance in a Sentence

There are two helicopters available for reconnaissance.

They did a reconnaissance of the enemy's position.

Recent Examples on the Web

Stepan walks through the four levels of how AI can augment warfare: One is reconnaissance, where machine learning can be used to collate large volumes of footage and satellite imagery. —Justin Ling, WIRED, 2 May 2024

After launching on April 10, 1974, a large reconnaissance satellite, called KH-9 Hexagon, ejected the 26-inch-wide (66-centimeter-wide) satellite, boosting it to a 500 mile (800 kilometers) circular orbit. —Passant Rabie / Gizmodo, Quartz, 1 May 2024

Word History

Etymology

French, literally, recognition, from Middle French reconoissance, from Old French reconoistre to recognize

First Known Use

1779, in the meaning defined above

Kids Definition

reconnaissance

noun

re·​con·​nais·​sance ri-ˈkän-ə-zən(t)s 

: a survey (as of enemy territory) to gain information