RhymeZone: barremian definitions

Definitions of Barremian:

noun: (geology) An age in the geologic timescale (or a chronostratigraphic stage) between 129.4 ± 1.5 Ma (million years ago) and 121.4 ± 1.0 Ma), a subdivision of the Early Cretaceous Epoch (or Lower Cretaceous Series).

(Definitions from Wiktionary)