commentārius ī, m (sc. liber), or commentarium, ī, n (sc. volumen) commentor, a notebook, notes, memorandum: recita commentarium: quod de apparatibus belli fecerat, L.

—Plur, memoirs, records: quos scripsit (Caesar) rerum suarum, i. e. the works upon the Gallic and civil wars: rex volvens commentarios Numae, L.