noun
Meaning 1
A type of rail, most commonly used in the United Kingdom (now obsolescent), with a head and foot similar in cross-section, that is supported in cast-iron chairs and secured in the chairs by wooden wedges (known as "keys") or steel springs.
Definition source: English Wiktionary via Wiktextract
Topics: rail-transport, railways, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided