2. Adjective. Of or pertainign to the Maastrichtian period. ¹
3. Noun. Someone from Maastricht ¹
4. Proper noun. The dialect of the Limburgish language as spoken in Maastricht ¹
5. Proper noun. (geology) the last stage of the Cretaceous period, preceded by the Campanian and succeeded by the Danian period. ¹
¹ Source: wiktionary.com