goldenrod \gold"en*rod`\, golden-rod \gold"en-rod`\(g[=o]ld"'n*r[o^]d`), n. (Bot.) A tall herb ({Solidago Virga-aurea}), bearing small yellow flowers in a graceful elongated cluster. The name is common to all the species of the genus {Solidago}. [1913 Webster] {Golden-rod tree} (Bot.), a shrub ({Bosea Yervamora}), a native of the Canary Isles. [1913 Webster]