| (Mech. & Engin.) | a yielding joint or coupling for so uniting parts of a machine or structure that expansion, as by heat, is prevented from causing injurious strains; |
| A slide or set of rollers, at the end of bridge truss, to support it but allow end play. | |
| A telescopic joint in a steam pipe, to permit one part of the pipe to slide within the other. | |
| A clamp for holding a locomotive frame to the boiler while allowing lengthwise motion. | |
| a strip of compressible material placed at intervals between blocks of poured concrete, as in roads or sidewalks. |
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