oak

noun

1. a large tree with strong wood and leaves with rounded points; it produces acorns

   A2

   countableneutral

   • "There is a large oak in the garden."A2
   • "The old oak provided shade for the children."B1

2. the hard, durable wood of this tree, often used to make furniture, floors, and barrels

   B1

   uncountable

   • "The table is made of oak."A2
   • "The wine was aged in oak barrels."B2