Dictionary.net

of a potted plant; grown too large for its container resulting in matting or tangling of the roots

having the roots matted or densely tangled; "shaggy untended lawns of old trees and rootbound scented flowers and shrubs"- William Faulkner

of a potted plant; grown too large for its container resulting in matting or tangling of the roots

having the roots matted or densely tangled; "shaggy untended lawns of old trees and rootbound scented flowers and shrubs"- William Faulkner