main engine; computer main unit; server
Meanings
3 senses · 8 examplesnoun
main engine; prime mover (in power equipment)
technicalRefers to the primary power unit in ships, power plants, or mechanical systems, such as marine engines or turbine generators.
The ship's main engine requires regular maintenance and inspection.
The prime mover of the turbo-generator set malfunctioned, causing a power outage.
noun
mainframe; main unit (of a computer)
technicalRefers to the physical computer case containing the CPU, memory, motherboard, and other essential components, as opposed to peripherals like monitors and keyboards.
This computer's main unit has strong performance and can run large games smoothly.
The mainframe includes core components such as the arithmetic logic unit, control unit, and memory.
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I need to buy a new computer tower; the old one is already too slow.
noun
host computer; server (in a network)
technicalIn networking contexts, refers to the central computer or server that provides services, data, or resources to client computers or terminals.
Please restart the host computer; the clients cannot connect.
This server provides file-sharing services for the entire local area network.
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We need to upgrade the server hardware to support more concurrent users.