Definition of "oak tree" 
- (noun) A tree of the genus Quercus, bearing acorns and having lobed leaves.
Use "oak tree" in a sentence
- "In the photograph a proud father stood on the left, as far in spirit from Mr. Russing as an oak tree from a stinging nettle."
- "We played “Czemu Ty Dziewczyno,” in which a girl stood under an oak tree waiting for her very dear one, and the entire chorus was “Hop ciuk, ciuk, tra la la la la la,” again and again and again."
- "Big Bubba was this monstrous oak tree outside the chapel that had been dedicated to the memory of some late Easton student named Robert Roberston."