black walnut

noun

1. a tree, Juglans nigra, of North America, having pinnate leaves and dark-brown bark and bearing an edible nut covered by a thick green or brown husk.
2. the nut of this tree.
3. the wood of this tree, valued in furniture-making.

black walnut

noun

1. a North American walnut tree, Juglans nigra , with hard dark wood and edible oily nuts
2. the valuable wood of this tree, used for cabinet work
3. the nut of this tree

Word History and Origins

Origin of black walnut¹

An Americanism dating back to 1605–15

Example Sentences

All the plants they’d recently added were burnt to a crisp, and the native endangered Southern California black walnut trees lining the top of their hill were charred and seemingly lifeless.

From Los Angeles Times

Along the way, we’ll be on the lookout for native trees, like bigleaf maples and black walnut trees, that change colors with the season.

From Los Angeles Times

However, native plant advocates are still going to city meetings and onto social media to accuse the city of deception and “ecocide” by killing protected plants like California black walnut.

From Los Angeles Times

But a day or two later, we learned that it is rather difficult — and also, illegal — to cut down a very old, still-alive sycamore, oak, California bay or black walnut in Los Angeles.

From Los Angeles Times

But a day or two later, we learned that it is rather difficult — and also, illegal — to cut down a very old, still-alive sycamore, oak, California bay, or black walnut in Los Angeles.

From Los Angeles Times