Cawk

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cawk \Cawk\ (k[add]k), n. [Prov. E. cauk limestone. A doublet of
     chalk.] (Min.)
     An opaque, compact variety of barite, or heavy spar. [Also
     written {cauk}.]
     [1913 Webster]