Wiktionary
rootball
alt. The mass of roots and associated soil when a plant is lifted from the soil or from a container n. The mass of roots and associated soil when a plant is lifted from the soil or from a container
Usage examples of "rootball".
Nell soon encountered a big Doug that had blown down in a recent typhoon, popping its own rootball out of the ground and thereby excavating a handy depression that invited nestling.
When the two dragonriders had collected the plants at sunrise, rootballs wrapped and secured on wooden flats, Jayge had greeted F'lessan with surprise and gravely shook hands with Tai, remarking on what a fine green she rode.