
1) Computer guts 2) Computer part 3) Holder of some chips
Found on
https://www.crosswordclues.com/clue/motherboard

A motherboard (sometimes alternatively known as the mainboard, system board, planar board or logic board, or colloquially, a mobo) is the main printed circuit board (PCB) found in computers and other expandable systems. It holds many of the crucial electronic components of the system, such as the central processing unit (CPU) and memory, and provi...
Found on
http://en.wikipedia.org/wiki/Motherboard

The main board in the Amiga. The motherboard on the Amiga 1200 contains all the parts required, including chip RAM, processor, Kickstart, and custom chipset.
Found on
http://www.amigahistory.co.uk/m.html

The main board inside your computer that includes the processor and kickstart chips.
Found on
http://www.amigahistory.co.uk/m.html

the main circuit board of a computer is sometimes referred to as a motherboard, especially when, as in the RiscPC, many of the functional parts of the computer are on separate PCBs (sometimes called Daughterboards) that are plugged into the main or motherboard
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http://www.archivemag.co.uk/

The physical arrangement in a computer that contains the computer's basic circuitry and components. On the typical motherboard, the circuitry is imprinted or affixed to the surface of a firm planar surface and usually manufactured in a single step. The most common motherboard design in desktop computers today is the AT, based on the IBM AT motherbo...
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http://www.encyclo.co.uk/local/20505

The main circuit board, containing the CPU. All of the other functions and peripherals are connected in some way to the motherboard.
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http://www.encyclo.co.uk/local/20581

A circuit board (or assembly) used for interconnecting a number of plug-in electronic modules (‘daughter boards`).
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http://www.encyclo.co.uk/local/20870

The main circuit board of a computer that contains the microprocessor, coprocessors, memory, BIOS, expansion slots, and interconnecting circuitry. Additional components can be added through the expansion slots. The electronic interface between the motherboard and the cards in the expansion slots is called the bus
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http://www.encyclo.co.uk/local/21048

A motherboard (mainboard) is the main circuit board within a PC, most modern motherboards come with the following features: - A processor slot (type will depend on the board specifications) - Memory banks - AGP slot - PCI slots - IDE interface - USB ports These are just some of the features that a motherboard may have as standard, some motherboards...
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http://www.encyclo.co.uk/local/21363

Also known as the Logic Board. The main circuit board of a computer which has all the components to make everything in the computer work together, such as the monitor, keyboard, mouse, DVD drive, etc
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http://www.encyclo.co.uk/local/22643

The main hardware device which houses the smaller components like the CPU and memory SIMMs and ties them together through the use of advanced electronic circuitry.
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http://www.encyclo.co.uk/visitor-contributions.php

The main circuit board of a computer that contains the microprocessor, coprocessors, memory, BIOS, expansion slots, and interconnecting circuitry. Additional components can be added through the expansion slots. The electronic interface between the motherboard and the cards in the expansion slots is called the bus.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

The main circuit board containing the vital components of a PC such as the processor and the RAM.
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http://www.sony.co.uk/glossary/ShowGlossary.action?site=odw_en_GB§ionty

The main circuit board within a computer into which all the other components plug or connect.
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http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl

The main printed circuit board inside a computer, containing the main processing chip, memory chips, plus all the other circuits needed to control the disk drives, the keyboard, and to communicate with plug-in extension cards.
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https://www.encyclo.co.uk/local/20134

The pc board of a computer that contains the bus lines and edge connectors to accommodate other boards in the system. In a microcomputer, the motherboard contains the microprocessor and connectors for expansion boards.
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https://www.encyclo.co.uk/local/20850
Click images to enlargePrinted circuit board that contains the main components of a microcomputer. The power, memory capacity, and capability of the microcomputer may be enhanced by adding expansion boards to the motherboard, now more commonly called a mainboard
Found on
https://www.encyclo.co.uk/local/21221

Everything attached to your computer connects to the motherboard directly or indirectly. It generally houses the CPU chip, the controller circuitry, the bus, and sockets for additional boards, which are called daughterboards.
Found on
https://www.encyclo.co.uk/local/22026

a rigid, slotted board upon which other boards that contain the basic circuitry of a computer or of a computer component can be mounted. Cf.(def. 14).
Found on
https://www.infoplease.com/dictionary/motherboard
No exact match found.