Source : Webster's Revised Unabridged Dictionary (1913)

Talcum \Tal"cum\, n. [NL.] (Min.)
   Same as {Talc}.

Source : WordNet®

talcum
     n 1: a fine grained mineral having a soft soapy feel and
          consisting of hydrated magnesium silicate; used in a
          variety of products including talcum powder [syn: {talc}]
     2: a toilet powder made of purified talc and usually scented;
        absorbs excess moisture [syn: {talcum powder}]