1. Meghalayan - Adjective
2. Meghalayan - Proper noun
Meghalayan (not comparable)
Of or pertaining to Meghalaya.
Meghalayan
(geology, paleontology) The Meghalayan Age, a subdivision of the Holocene epoch.
After this announcement, we still live in that epoch, but we also live in the youngest of these new subdivisions: the Meghalayan Age. Source: Internet