tie rod

noun

1. an iron or steel rod serving as a structural tie, especially one keeping the lower ends of a roof truss, arch, etc., from spreading.
2. Automotive. a rod that serves as part of the linkage in the steering system.

tie rod

noun

1. any rod- or bar-shaped structural member designed to prevent the separation of two parts, as in a vehicle

Word History and Origins

Origin of tie rod¹

First recorded in 1830–40