ratissage

From French ratissage, from ratisser (“to rake”).

• (UK) IPA^(key): /ɹatɪˈsɑːʒ/

ratissage (plural ratissages)

1. A raid (especially violent) carried out by the police or military, originally and chiefly carried out by the French in Algeria. [from 1950s]
   • 1977, Alistair Horne, A Savage War of Peace, New York Review Books 2006, p. 26:

     The army […] subjected suspect Muslim villages to systematic ratissage – literally a ‘raking-over’, a time-honoured word for ‘pacifying’ operations.

   • 2000, JG Ballard, Super-Cannes, Fourth Estate 2011, p. 220:

     A second group of security men had appeared from within the museum, and lashed out with their clubs like warriors in a battle scene from a Kurasawa epic. […] ‘It's another ratissage. A special action.’

2. (economics) A monetary device whereby national reserves are temporarily given up to a central bank. [from 1950s]

From ratisser +‎ -age.

• IPA^(key): /ʁa.ti.saʒ/

ratissage m (plural ratissages)

1. raking, combing, sweeping
2. (law enforcement slang) search, search and sweep (operation), ratissage

• “ratissage” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).