POTBOUND Meaning of POTBOUND in English /pot"bownd'/ , adj. Hort.(of a plant) having the roots so densely grown as to fill the container and require repotting. [ 1840-50; POT 1 + -BOUND 1 ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012