- Criminal Intelligence Services of Canada, CISC - an agency of the Canadian government that unifies the intelligence units of Canadian law enforcement agencies
--1 is a kind of international intelligence agency
- complex instruction set computing, complex instruction set computer, CISC - (computer science) a kind of computer architecture that has a large number of instructions hard coded into the cpu chip
--2 is a kind of computer architecture, architecture
Antonyms: reduced instruction set computing, reduced instruction set computer, RISC