- noun a storage unit consisting of shelves, compartments or bars for hanging things
- A framework or stand, usually made of metal, which holds and supports panels, devices, or pieces of equipment. Used, for instance, to install multiple components of an audio system. 2. A rack (1) with standardized dimensions. Also called relay rack.
- A straight bar which has teeth which can be meshed with a round bar with teeth, as in a rack and pinion.
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