Source : Webster's Revised Unabridged Dictionary (1913)

Tammy \Tam"my\, n.; pl. {Tammies}.
   1. A kind of woolen, or woolen and cotton, cloth, often
      highly glazed, -- used for curtains, sieves, strainers,
      etc.

   2. A sieve, or strainer, made of this material; a tamis.

Source : WordNet®

tammy
     n 1: plain-woven (often glazed) fabric of wool or wool and cotton
          used especially formerly for linings and garments and
          curtains
     2: a woolen cap of Scottish origin [syn: {tam}, {tam-o'-shanter}]
     [also: {tammied}]