·noun Increase; growth; progress; advance.
II. Improvement ·noun A useful addition to, or modification of, a machine, manufacture, or composition.
III. Improvement ·noun Valuable additions or betterments, as buildings, clearings, drains, fences, ·etc., on premises.
IV. Improvement ·noun The state of being improved; betterment; advance; also, that which is improved; as, the new edition is an improvement on the old.
V. Improvement ·noun The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, ·etc.
VI. Improvement ·noun The act of making profitable use or applicaton of anything, or the state of being profitably employed; a turning to good account; practical application, as of a doctrine, principle, or theory, stated in a discourse.