A multi-cycle processor is a processor that carries out one instruction over multiple clock cycles, often without starting a new instruction in that time (as opposed to a pipelined processor).
See also
Single-cycle processor, a processor executing (and finishing) one instruction per clock cycle
References
↑Harris (2016). Digital Design and Computer Architecture ARM Edition. Elsevier. sec. 7.3-7.5. ISBN978-0-12-800056-4.