Jacobs ladder

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

Ja′cob's lad′der

1. a ladder seen by Jacob in a dream, reaching from the earth to heaven. Gen. 28:12.
2. Naut. a hanging ladder having ropes or chains supporting rungs or steps.


any plant of the genus Polemonium, of the phlox family, with cup-shaped blue flowers and paired leaflets in a ladderlike arrangement.
References in periodicals archive ?
Follow the path leading downwards until you get to Jacobs Ladder and Paveys
This piece of equipment gets used and often abused, but you should make sure that you are doing those weeklies the right way when the Jacobs Ladder is out, and stow them in a safe place when not in use.
Prune one tree (Tree Preservation Order), land to front Of Jacobs Ladder, Sutherland Road, Hipperholme.