The Collaborative International Dictionary of English v.0.48:

Olla \Ol"la\, n. [See Olio.]
   1. A pot or jar having a wide mouth; a cinerary urn,
      especially one of baked clay.
      [1913 Webster]

   2. A dish of stewed meat; an olio; an olla-podrida.
      [1913 Webster]

WordNet (r) 3.0 (2006):

olla
    n 1: leaf or strip from a leaf of the talipot palm used in India
         for writing paper [syn: ola, olla]

U.S. Gazetteer Places (2000):

Olla, LA -- U.S. town in Louisiana
   Population (2000):    1417
   Housing Units (2000): 681
   Land area (2000):     3.423412 sq. miles (8.866597 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    3.423412 sq. miles (8.866597 sq. km)
   FIPS code:            57905
   Located within:       Louisiana (LA), FIPS 22
   Location:             31.899443 N, 92.234774 W
   ZIP Codes (1990):     71465
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Olla, LA
    Olla