The Collaborative International Dictionary of English v.0.48:

Cultch \Cultch\ (k?lch; 224), n. [Etymol. uncertain.]
   Empty oyster shells and other substances laid down on oyster
   grounds to furnish points for the attachment of the spawn of
   the oyster. [Also written cutch.]
   [1913 Webster]

   2. Young or seed oysters together with the shells and other
      objects to which they are usually attached.
      [Webster 1913 Suppl.]

   3. Rubbish; d['e]bris; refuse.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Cutch \Cutch\ (k[u^]ch; 224), n.
   See Catechu.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cutch \Cutch\, n. (Zool.)
   See Cultch.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Catechu \Cat"e*chu\, n. [See Cashoo.] (Chem.)
   A dry, brown, astringent extract, obtained by decoction and
   evaporation from the Acacia catechu, and several other
   plants growing in India. It contains a large portion of
   tannin or tannic acid, and is used in medicine and in the
   arts. It is also known by the names terra japonica,
   cutch, gambier, etc. --Ure. --Dunglison.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cutch
    n 1: tannin extract derived from any of several mangrove barks
         of Pacific areas [syn: cutch, kutch]