Modifies a noun

• eye: When Mr. Green ascended the pulpit eager expectancy gleamed in every jet-black eye.

• raven: The gigantic furry jet-black raven delightedly devoured the three-day old mango.

• stallion: He looked powerful and capable sitting proudly on a jet-black stallion.

• humor: It has the makings of a modern day Ealing comedy with its jet-black humor and wild oscillations from tragedy to comedy.

• color: The southern black widow and the northern black widow are a shiny, jet-black color.