Meaning of JACOB'S LADDER

WordNet Dictionary
	Definition:		[n]  (nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps [n]  pinnate-leaved European perennial having bright blue or white flowers
	Synonyms:		charity, Greek valerian, jack ladder, pilot ladder, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae
	See Also:		ladder, polemonium