keffe-kil

from The Collaborative International Dictionary of English v.0.48
Kiefekil \Kie"fe*kil\, n. [Per. keff foam, scum + gil clay,
   mud.] (Min.)
   A species of clay; meerschaum. [Also written {keffekil}.]
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Keffe-kil \Kef"fe-kil\, n. (Min.)
   See {Kiefekil}.
   [1913 Webster]
    

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