Webster's Revised Unabridged Dictionary · 1913

Fatness

Fatness , noun

1.
The quality or state of being fat, plump, or full-fed; corpulency; fullness of flesh.
Their eyes stand out with fatness. — Bible (KJV) - Psalm 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