RAID definition

(1) An attempt by speculators to defraud investors

(2) A sudden short attack

(3) Search for something needed or desired

"Our babysitter raided our refrigerator"

(4) Enter someone else's territory and take spoils

"The pirates raided the coastal villages regularly"

(5) Take over (a company) by buying a controlling interest of its stock

"T. Boone Pickens raided many large companies"

(6) Search without warning, make a sudden surprise attack on

"The police raided the crack house"