Hi-rail

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Interface equipment used to mount road-going trucks to railroads, allowing the rails to guide the truck.
2
A truck or vehicle equipped with hi-rail interface equipment.

Etymology

Abbreviation of highway-rail.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.