Noun
a large digital computer serving 100-400 users and occupying a special air-conditioned room
(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
Source: WordNetBetween rounds of speed chess I read enough of a programming manual to teach myself to write programs on the school's DEC mainframe in the language Basic. Eric Allin Cornell
the CPU and the memory form the central part of a computer to which the peripherals are attached Source: Internet
About the same time, Japanese giants began eying the lucrative mainframe market both at home and abroad. Source: Internet
Although there are other mainframe emulators performing a similar function, Hercules is significant in enabling private individuals to run mainframe computer software on their own personal computers. Source: Internet
A local control unit attaches directly to the channel of a nearby mainframe. Source: Internet
Another factor currently increasing mainframe use is the development of the Linux operating system, which arrived on IBM mainframe systems in 1999 and is typically run in scores or hundreds of virtual machines on a single mainframe. Source: Internet