The Collaborative International Dictionary of English v.0.48:

osteocolla \os`te*o*col"la\, n. [Osteo- + Gr. ? glue.]
   [1913 Webster]
   1. A kind of glue obtained from bones. --Ure.
      [1913 Webster]

   2. A cellular calc tufa, which in some places forms
      incrustations on the stems of plants, -- formerly supposed
      to have the quality of uniting fractured bones.
      [1913 Webster]