"Placoidian" is a word in ENGLISH

Aaron reached into his jacket pocket and took out his Bible, a gift from his father, Captain Benjamin K. Matthews, on the the day he had ridden off to war. Aaron opened to the Psalms, intending to read, but his eyes were heavy and closed against his will. O death, where is thy sting? Pastor Blackwell had told him that death had no power over him, but he sure felt that sting now. O grave, where is thy victory? How much longer would it be? Just four miles from home. Would Mama ever know?Shiloh, the place of peace. Good ground to die on. Holy ground.