noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A device intended to replace the wheel of a self-propelled vehicle, allowing traversal of rough roads and the ability to climb over obstacles. The tread consists of a number of rubber-shod feet connected by ball-and-socket joints to the ends of sliding spokes attached to rollers and springs.
2. 2
   A vehicle, such as a traction engine, fitted with these devices.

Related phrases

ball and socket jointtraction engine

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