Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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No pronunciation record was provided for this word.
noun
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.
Definition source: English Wiktionary via Wiktextract
Usage: attributive, often
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From tight + lock.
