black ring

American  

noun

Plant Pathology.

1. a disease of grasses, characterized by black rings surrounding the stems and blighted seeds, caused by a fungus, Balansia strangulans.

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Example Sentences

A tiny bird with tall, skinny legs and a black ring around its neck scuttled across the road.

From New York Times

Joy/Joba brings with her the “everything bagel,” a consuming black ring and hole that that threatens to suck up everything and everyone into its void.

From Washington Post

He added: “I was the third pilot who drew the black ring.”

From Seattle Times

Start with the center black ring and work out from there.

From Fox News

While there’s still a noticeable black ring around your field of view, it’s a little less intrusive than most of its competition.

From The Verge