Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun jacob's_ladder

2 senses of jacob's ladder

Sense 1
Jacob's ladder, Greek valerian, charity, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae -- (pinnate-leaved European perennial having bright blue or white flowers)
       => polemonium -- (any plant of the genus Polemonium; most are low-growing often foul-smelling plants of temperate to Arctic regions)

Sense 2
Jacob's ladder, jack ladder, pilot ladder -- ((nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps)
       => ladder -- (steps consisting of two parallel members connected by rungs; for climbing up or down)