noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   a system of operating trains with a driver at each end of the train for a fast turnaround time. uncountable

Verb

1. 1
   present participle and gerund of double-end form-of, gerund, participle, present

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