Main definitions of jack ladder in English

: jack ladder1jack ladder2

jack ladder1

Pronunciation /ˈdʒak ˌladə/

noun

  • A machine used for conveying logs to the floor of a sawmill, in which the logs are carried by a continuous chain having spikes, hooks, etc., along its length.

Origin

Mid 19th century (in an earlier sense). From Jack + ladder.

Main definitions of jack ladder in English

: jack ladder1jack ladder2

jack ladder2

Pronunciation /ˈdʒak ladə/

noun

historical Nautical
  • A rope ladder.

Origin

Mid 19th century; earliest use found in New York Herald. Shortened from Jacob's ladder.