[ root-bawl, root- ]

  1. a roughly spherical aggregate of roots and soil that is transplanted with a plant, especially a tree or shrub.

  2. the ball of soil and roots of a plant growing in a pot or other container.

Origin of rootball

First recorded in 1925–30; root1 + ball1

Words Nearby rootball Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023