- any of several North American oaks, as Quercus prinus, having serrate or dentate leaves resembling those of the chestnut.
Origin of chestnut oak
An Americanism dating back to 1695–1705
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for chestnut oak
Again the boughs of the chestnut-oak above the roof crashed together.'way Down In Lonesome Cove
Charles Egbert Craddock (AKA Mary Noailles Murfree)