Yellows \Yel"lows\, n.

1. (Far.) A disease of the bile in horses, cattle, and sheep, causing yellowness of the eyes; jaundice.

His horse . . . sped with spavins, rayed with the yellows. --Shak.

2. (Bot.) A disease of plants, esp. of peach trees, in which the leaves turn to a yellowish color; jeterus.

3. (Zo["o]l.) A group of butterflies in which the predominating color is yellow. It includes the common small yellow butterflies. Called also redhorns, and sulphurs. See Sulphur.

Source: Webster's Revised Unabridged Dictionary (1913)