rock maple

noun New England.

Origin of rock maple

First recorded in 1765–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

After this we spent a short time promenading around the rock-maple grove, if leafless trees can be called a grove.
Mind Amongst the Spindles
Various
We had two heavy, though slender, rock-maple paddles, one of them of bird's-eye maple.
The Maine Woods
Henry David Thoreau
The first is in sap-time, when maple sugar is being made in the little shack on the borders of the rock-maple grove.
In the Catskills
John Burroughs