treechange /ˈtɹiːˌt͡ʃeɪnd͡ʒ/ noun2 •(Australia) A movement of people from cities to the countryside.She told me about a time she and a photographer were sent out to do ‘another treechange story’ – a feel-good piece, she explained, about mainlanders moving to Tasmania. — 2010 •(Australia) An act of relocating from an urban to a rural community. formstreechanges