n.1. a. The process of growing.
b. Full development; maturity.
2. Development from a lower or simpler to a higher or more complex form; evolution.
3. An increase, as in size, number, value, or strength; extension or expansion: population growth.
4. Something that grows or has grown: a new growth of grass.
5. An abnormal mass of tissue, such as a tumor, growing in or on a living organism.
6. A result of growth; a product: concerns that are a growth of the new responsibilities.