from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Producing clay; rich in argil.
from the GNU version of the Collaborative International Dictionary of English
- adj. Producing clay; -- applied to such earths as abound with argil.
from The Century Dictionary and Cyclopedia
- Producing or containing clay or argil.
Latin argilla white clay + -ferous. (Wiktionary)
- clay, especially used in pottery. argillaceous, argillous, adj. containing clay; clay-like. argilliferous, adj. yielding or containing clay. argilloid, argol, argal