Source : Webster's Revised Unabridged Dictionary (1913)

Silvern \Sil"vern\, a. [AS. seolfern, sylfren.]
   Made of silver. [Archaic.] --Wyclif (Acts xix. 24).

         Speech is silvern; silence is golden.    --Old Proverb.

Source : WordNet®

silvern
     adj 1: resembling or reminiscent of silver; "a soft silvern voice";
            "singing in her silvery tones" [syn: {silvery}]
     2: having the white lustrous sheen of silver; "a land of silver
        (or silvern) rivers where the salmon leap"; "repeated
        scrubbings have given the wood a silvery sheen" [syn: {silver},
         {silvery}]