Definition

1. Noun:
   • A type of North American walnut tree (Juglans nigra): A large, deciduous tree native to eastern North America, valued for its very hard, dark-colored wood.
   • The nut produced by this tree: The edible nut of the black walnut tree, enclosed in a very hard, thick, and rough shell.
   • The wood of this tree: The dark, dense, and valuable timber from the black walnut tree.

Usage Examples

• Noun (referring to the tree):
  • A mature black walnut can grow over 100 feet tall.
  • The furniture was crafted from solid black walnut.
• Noun (referring to the nut):
  • Cracking open a black walnut requires a heavy-duty nutcracker.
  • The recipe calls for black walnuts, not English walnuts.

Advanced Usage

• The term black walnut is often used attributively (like an adjective) to describe products made from the tree.
  • She sanded the black walnut tabletop until it was smooth.
  • The ice cream had a black walnut flavor.

Variants and Related Words

• Black walnut tree: A more explicit term for the tree itself.
• Juglans nigra: The scientific (Latin) name for the black walnut species.
• Walnut: The general term for trees and nuts of the genus . Black walnut is a specific type.
• Butternut (Juglans cinerea): A related North American tree, sometimes called "white walnut."

Synonyms

• American walnut (when referring to the tree or nut).
• Eastern black walnut (specifying its regional origin).

Notes on Different Meanings

The meaning of black walnut is typically specific to botany, forestry, and cooking. Context usually makes it clear whether one is referring to the living tree, its wood, or its nut. It is not commonly used in idiomatic expressions.

Noun

1. American walnut having a very hard and thick woody shell
2. North American walnut tree with hard dark wood and edible nut