Brussels brusqueness • brustle · · · Info · Definitions · Characters · · Brussels · · Text Latin · · Script 8 · · Length Definitions · · · (noun) the capital and largest city of Belgium; seat of the North Atlantic Treaty Organization. Synonyms: Bruxelles, Belgian capital, capital of Belgium. · · Noun Definition 1 Characters · · B latin capital letter b U+0042 e latin small letter e U+0065 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075