noun
: either of two No. American chestnut oaks:
a. : a medium to large oak ( Quercus muhlenbergii ) of the eastern United States that yields a strong durable timber — called also yellow oak
b. : a small shrubby oak ( Q. prinoides ) of the same area that has a sweet edible acorn and often forms dense thickets — called also dwarf chinquapin oak, scrub oak, yellow chestnut oak