race plate

American  

Or raceplate

noun

Textiles.

1. a metallic, plastic, or wooden strip directly in front of the reed on the lay of a loom, along which the shuttle travels in its passage through the shed.

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Example Sentences

And the grinding of the bearings, and the action of the film on the race plate, generated static electricity in tiny flashes which lighted up the interior of the camera and light-exposed the negative, as it was passing from one magazine to another.

From Project Gutenberg