Noun: Jacob's ladder
- (nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
"The sailors climbed down the Jacob's ladder to board the small boat";
- jack ladder, pilot ladder
- Pinnate-leaved European perennial having bright blue or white flowers
"The Jacob's ladder created a beautiful border with its delicate blue blooms";
- Greek valerian, charity [UK], Polemonium caeruleum
Derived forms: Jacob's ladders
Type of: ladder, polemonium
Encyclopedia: Jacob's ladder