noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A form of on-demand transportation similar to public transit usually in areas or during times where fixed route service is not available or possible and resembling paratransit, taxi, or shuttle service in its execution. uncountable

Etymology

So called because requests for transport were traditionally made by telephone call; see dial.

Related phrases

dial-a-ride problem

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