Noun | 1. | golden spleen - any of various low aquatic herbs of the genus Chrysosplenium Chrysosplenium, genus Chrysosplenium - genus of widely distributed semiaquatic herbs with minute greenish-yellow apetalous flowers Chrysosplenium americanum, water carpet, water mat - aquatic herb with yellowish flowers; central and western United States aquatic plant, hydrophyte, hydrophytic plant, water plant - a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth |