arguō, ere, ī, ūtus, to show, prove; charge, accuse, blame.
āridus [āreō, to be dry], adj., dry, arid.
arma, ōrum, n. pl., arms, weapons (esp. for defense); warfare.
armātus [orig. part. of armō], adj., armed, in full armor. As noun, armātī, ōrum, m. pl., armed men, soldiers.
Armenia, ae, f., Armenia, a country in Asia, southeast of the Black Sea.
armilla, ae [armus, shoulder, arm], f., a bracelet, armlet.
armō, āre, āvī, ātus [arma], to arm, equip.
Arpīnum, ī, n., Arpinum, a town of the Volsci, fifty miles southeast of Rome; the birthplace of Marius and Cicero.
ars, artis, f., skill, art, knowledge; accomplishment, esp. in pl.; device, stratagem.
artifex, icis [ars + faciō], m., workman, artist, builder.