adj Soil-bound attached to the soil.

What does it mean to be bound?

To bound is to jump or hop — usually as you run. Bound can also mean to go or to plan to go, especially to a certain destination, as in being bound for New York or homeward-bound. Superman can "leap tall buildings in a single bound," but the word bound is usually about boundaries.

What does being bound by mean?

From Longman Dictionary of Contemporary English be bound (by something)to be forced to do what a law or agreement says you must do → bindingbound (by something) to do something The Foundation is bound by the treaty to help any nation that requests aid. ... Home helps felt that they are being legally bound not to care!