Definition of "Maastrichtian"

Of or pertaining to Maastricht.  examples

Of or pertaining to the Maastrichtian Age geological period.  examples

(countable) Someone from Maastricht  examples

The dialect of the Limburgish language as spoken in Maastricht  examples

(geology) in the ICS geologic timescale, the last stage or age of the Cretaceous period, and of the Mesozoic era, preceded by the Campanian and succeeded by the Danian period.