fuse1 /fju: z; f juz/ n [C] tube, cord, etc for carrying a spark to explode powder, etc, eg in a firecracker, bomb or blasting charge; (US 美 - fuze) part of a shell or mine that detonates the explosive charge. 導(dǎo)火線; 引信; 信管。 'time— n one that does this after a pre-arranged interval of time. 定時(shí)信管。