Meaning of dendrology

den·​drol·​o·​gy den-ˈdräl-ə-jē : the study of trees Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged The meaning of DENDROLOGY is the study of trees.Dendrology actually means "the study of trees." In common usage it has come to mean the taxonomy of woody plants (Harlow and others 1979), which is the systematic classification, naming, and identification of trees based on natural attributes and relationships.