Definition from Wiktionary, the free dictionary
overgrowth (plural overgrowths)
- A usually abundant, luxuriant growth over or on something else. A tangle of growth occurring at the top of trees involving vines and branches, common in jungles.
- An excessive growth or increase in numbers, as in a population of weeds or microbes.
- Excessive size; usually caused by over-production of growth hormone from the pituitary gland.