Definition: The word "Belgium" has several meanings: 1. The country of Belgium, a large European nation situated in Central Europe with an extensive coastline along the Atlantic Ocean and its Mediterranean Sea. 2. An urban area that is located in northern France on the border with Germany. It has a population of approximately 7 million people, making it the second largest city in Europe after Paris. 3. A French language spoken in Belgium, which is the official language of the country and an important part of its cultural identity. In summary, "Belgium" refers to a large European country located in Central Europe with extensive coastline along the Atlantic Ocean and Mediterranean Sea. It is also a major center for French culture and has a significant linguistic presence due to its close proximity to France's capital city Paris.