house search; police raid
Police slang for searching a premises; derived from reversing さがす (to search). Often used in the compound ガサ入れ.
See also: ガサ入れ
警察が容疑者の家にガサを入れた。
The police conducted a search of the suspect's house.
ガサ入れの準備をしている。
They are preparing for the raid.
Katakana spelling is standard for this slang term.
Hiragana variant, less common than katakana.
Police jargon derived from reversing the syllables of さがす (to search).