Glancing under the dark trees Scarlett could just discern the tall ghostly chimneys still rearing above the silent ruin.
Straining her eyes in the darkness she dimly discerned a sight which had grown familiar through that terrible day—two tall chimneys, like gigantic tombstones towering above the ruined second floor, and broken unlit windows blotching the walls like still, blind eyes.
There are no more uses of "discern" in the book.
Show samples from other sources
The second picture has more pixels, but the human eye can’t discern the difference.
She prays to discern good from evil in all of its disguises.