1.  aaron(n = noun.person) hank aaron, henry louis aaron - United States professional baseball player who hit more home runs than Babe Ruth (born in 1934);
is a kind of ballplayer, baseball player

2.  aaron(n = noun.person) - (Old Testament) elder brother of Moses and first high priest of the Israelites; created the golden calf;
is a kind of priest

aaron burr, aaron copland, aaron montgomery ward, hank aaron, henry louis aaron