the GNU version of the Collaborative International Dictionary of English
n. Clay, or potter's earth; sometimes pure clay, or alumina. See clay.
The Century Dictionary and Cyclopedia
n. Potters' clay.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a white clay (especially a white clay used by potters)
Word Usage
"The valley-sides of dark trap were striped with white veins of heat-altered argil; the sole with black magnetic sand; and patches of the bed were buttercup-yellow with the Handán (dandelion), the"