xeropoophile, xeropo-ophile Plants that thrive in heaths or tracts of uncultivated, open land with infertile, often sandy soil covered with rough grasses.xeropoophilous, xeropoophile, xeropoophily In biology, dwelling and thriving in heathlands. A `heath” is an area of land that is not farmed, where grass and other small plants grow, but where there are few trees or bushes.