Source : Webster's Revised Unabridged Dictionary (1913)

Cancellated \Can"cel*la`ted\, a.
   1. Crossbarred; marked with cross lines. --Grew.

   2. (Anat.) Open or spongy, as some porous bones.

Source : WordNet®

cancellated
     adj 1: having a latticelike structure pierced with holes or windows
            [syn: {cancellate}, {clathrate}]
     2: having an open or latticed or porous structure [syn: {cancellate},
         {cancellous}]