reconnaissance

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the act of reconnoitring (especially to gain information about an enemy or potential enemy)
- an exchange of fire occurred on a reconnaissance mission
• Syn:
reconnaissance mission
• Derivationally related forms:
reconnoitre, reconnoiter
• Hypernyms:
intelligence, intelligence activity, intelligence operation
• Hyponyms:
recce, recco, reccy, scouting, exploratory survey,
exploratory survey, reconnoitring, air reconnaissance, reconnaissance by fire, reconnaissance in force,
shufti, electronic reconnaissance