ETYM Old Fren. roond, roont, reond, French rond, from Latin rotundus, from rota wheel. Related to Rotary, Rotund, roundel, Rundlet.
1. Having a circular shape; SYN. circular.
2. (Of numbers) To the nearest ten, hundred, or thousand.
ETYM Latin sphaericus, Greek: cf. French sphérique.
Of or relating to spheres or resembling a sphere.