Webster's Revised Unabridged Dictionary · 1913

Old World

Old World , noun

The combined territories of Europe, Asia, and Africa. The Eastern Hemisphere, as distinguished from The Americas, Australia, and the Pacific Islands.

old-world , adjective

1.
Characteristic of former times especially in Europe; as, an old-world cottage.
2.
(Biology) Native to the Old World; not found in the Americas; as, old-world monkeys.