Definition: The term "white walnut" refers to a type of tree found in North America. This tree produces edible nuts and has light-brown wood. Additionally, the wood can be used to make a light-brown dye.
In advanced English, you might discuss the ecological importance of the white walnut tree or its role in traditional crafts and woodworking.
While "white walnut" does not have specific idioms or phrasal verbs associated with it, you can create phrases that include the word "walnut" in a metaphorical sense, such as "hard as a walnut" to describe something very tough.
The white walnut is a valuable tree native to North America, known for its light-brown wood and edible nuts. It plays a role in both ecology and craftsmanship and can be referenced in various forms and contexts.