crosstie
noun
- a beam, post, rod, etc. placed crosswise to give support
- ☆ any of the transverse timbers supporting the rails of a railroad track
See crosstie in American Heritage Dictionary 4
(krôsˈtīˌ, krŏsˈ-)
noun A transverse beam or rod serving as a support, especially a beam that connects and supports the rails of a railroad.
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