Oak trees are popular in the United States for their beauty and for the quality of wood that they produce. Many Americans have oak furniture in their homes.The word "oak" can be a noun or an adjective.
This is an oak tree. It has a beautiful shape.
These are oak leaves.
In the month of August, you’ll see a lot of acorns on the ground near an oak tree. You can eat them, but they’re a little bitter. However, squirrels like acorns.
This oak dresser is an antique.*
Oak furniture is very popular in the United States. Dressers, chairs, and tables are often made of oak.