(1):

(n.) The Cambrian formation.

(2):

(a.) Of or pertaining to Cambria or Wales.

(3):

(a.) Of or pertaining to the lowest subdivision of the rocks of the Silurian or Molluscan age; - sometimes described as inferior to the Silurian. It is named from its development in Cambria or Wales. See the Diagram under Geology.

(4):

(n.) A native of Cambria or Wales.