yellow
1.
2. Chiefly Southern U.S.. The yolk of an egg.
3. Western U.S.. Gold. Used formerly by prospectors.
4. yellows Any of various plant diseases usually caused by fungi of the genus Fusarium or viruses of the genus Chlorogenus and characterized by yellow or yellowish discoloration.
adjective
yellower
2. a. Having a yellow-brown skin color. b. Offensive. Of or being a person of Asian origin.
3. Slang. Cowardly.
verb
yellowed
To make or become yellow: documents that had been yellowed by age; clouds that yellow in the evening light.
[Middle English yelow, from Old English geolu.]
yel