Definition of reconnaissance in English:

reconnaissance

Line breaks: re|con¦nais|sance
Pronunciation: /rɪˈkɒnɪs(ə)ns
 
/

noun

[mass noun]
  • 1Military observation of a region to locate an enemy or ascertain strategic features: an excellent aircraft for low-level reconnaissance [count noun]: after a reconnaissance British forces took the island
    More example sentences
    • Ark Royal launched many reconnaissances for gun positions and mines from March 13-17.
    • For the most part it was considered that air forces would be used primarily for scouting and reconnaissance missions, both overland and at sea.
    • It will predominantly feature surveillance and reconnaissance aircraft.
    Synonyms
    preliminary survey, survey, exploration, observation, investigation, examination, inspection, probe, scrutiny, scan; patrol, search, expedition; reconnoitring, scouting (out), spying out
    informal recce
    British informal shufti
    North American informal recon
  • 1.1Preliminary surveying or research: conducting client reconnaissance
    More example sentences
    • When we arrived, Mason was still asleep, so I left the rest of the team in the car to conduct a bit of reconnaissance.
    • I did carry out a detailed reconnaissance but must have missed the signs suggesting this was a private road.
    • Thus, they may be carrying out reconnaissance of areas for future breeding or staging sites.

Origin

early 19th century: from French, from reconnaître 'recognize' (see reconnoitre).

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