botanicalPronunciation: /bəˈtanɪkl/Translate botanical | into German | into Italian Definition of botanical adjective relating to botany:botanical specimens noun (usually botanicals) a substance obtained from a plant and used typically in medicinal or cosmetic products. Derivatives botanicPronunciation: /bəˈtanɪk/ adjective botanically adverb botanical in other Oxford dictionaries Definition of botanical in the US English dictionary