ツリードクターMeanings1nountree doctor; arboristA specialist who diagnoses and treats tree diseases and pests; a Japanese loanword from English.庭にわの古ふるい桜さくらの木きが弱よわっているので、ツリードクターに診みてもらった。The old cherry tree in the garden was ailing, so we had a tree doctor examine it.