(nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
English: Jacob's ladder, jack ladder, pilot ladder
jacob's_ladderEnglish
Jacob's ladder, Greek valerian, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae
Noun
Pinnate-leaved European perennial having bright blue or white flowers
English: Jacob's ladder, Greek valerian, charity, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae