ardor (ar'der), heat; zeal.
arduous (ar'du-us), hard, difficult.
arena (a-re'na), the sanded area in the central part of a Roman amphitheater.
argosy (ar'go-si), a large merchant vessel.
argument (ar'gu-ment), proof or reasons in a controversy.
Armada (ar-ma'da),
armament (ar'ma-ment), arms, ships and other equipment for war.
aroma (a-ro'ma), fragrance; a spicy perfume.
array (a-ra'), clothe; an orderly collection.
arrogance (ar'e-gans), pride with contempt of others.