cheesecloth

from WordNet (r) 3.0 (2006)

cheesecloth
    n 1: a coarse loosely woven cotton gauze; originally used to
         wrap cheeses

from The Collaborative International Dictionary of English v.0.48

cheesecloth \cheese"cloth`\, Cheese cloth \Cheese"
cloth`\(ch[=e]z" kl[o^]th`; 115).
   A thin, loosely-woven cotton cloth of a gauze texture, such
   as is used in pressing cheese curds.
   [Webster 1913 Suppl.]