cambrian

1. a. Of or pertaining to Cambria or Wales. Source: opted

2. 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. Source: opted

3. n. A native of Cambria or Wales. Source: opted

4. n. The Cambrian formation. Source: opted

5. adj. of or relating to or characteristic of Wales or its people or their language Source: wordnet

6. n. a native or resident of Wales Source: wordnet

7. 1. (Geog.) Of or pertaining to Cambria or Wales. 2. (Geol.) 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. 1. A native of Cambria or Wales. 2. (Geol.) The Cambrian formation. Source: webster

8. j:100 n. from 544 million to about 500 million years ago; marine invertebrates Source: ecdict

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