tightlock

English dictionary entry

Meanings

noun
  1. A form of Janney coupler, typically used on North American mainline passenger rail cars, having mechanical features that reduce slack in normal operation and prevent telescoping in derailments, yet remain compatible with other Janney types.

Word forms

tightlock tightlocks

Etymology

From tight + lock.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.