ETYM Pref. a- + round.
1. By a circular or circuitous route.
2. In a circle or circular motion.
3. In circumference.
4. To a particular destination either specified or understood.
1 On all sides of; so as to encircle or enclose; so as to avoid or get past; on or to another side of; near
2. In all directions outward from
3. Here and there in or throughout
4. So as to have a center or basis in