Fat″ness, n. 1. The quality or state of being fat, plump, or full-fed; corpulency; fullness of flesh.
Their eyes stand out with fatness. Ps. lxxiii. 7.
2. Hence; Richness; fertility; fruitfulness.
Rich in the fatness of her plenteous soil. Rowe.
3. That which makes fat or fertile.
The clouds drop fatness. Philips.