(1):
(a.) Cowardly; hence, dishonorable; mean; contemptible; as, he has a yellow streak.
(2):
(v. t.) To make yellow; to cause to have a yellow tinge or color; to dye yellow.
(3):
(v. i.) To become yellow or yellower.
(4):
(a.) Sensational; - said of some newspapers, their makers, etc.; as, yellow journal, journalism, etc.
(5):
(n.) A yellow pigment.
(6):
(superl.) Being of a bright saffronlike color; of the color of gold or brass; having the hue of that part of the rainbow, or of the solar spectrum, which is between the orange and the green.
(7):
(n.) A bright golden color, reflecting more light than any other except white; the color of that part of the spectrum which is between the orange and green.