RED-ROOT Meaning of RED-ROOT in English n. 1.New Jersay tea ( Ceanothus Americanus ).2.Stoneweed, puccoon-root ( Lithospermum arvense ).3.Blood-root, bloodwort, red-puccoon ( Sanguinaria Canadensis ). Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012