Definition of jenny rail in English:

jenny rail

noun

  • Chiefly in plural One of the pair of iron rails along which a jenny carriage moves.

Origin

Mid 19th century; earliest use found in Charles H. Hartshorne (1802–1865), antiquary. From jenny + rail, after jenny carriage.

Pronunciation

jenny rail

/ˈdʒɛnɪ ˌreɪl/