Source : Webster's Revised Unabridged Dictionary (1913)

Beebread \Bee"bread`\, n.
   A brown, bitter substance found in some of the cells of
   honeycomb. It is made chiefly from the pollen of flowers,
   which is collected by bees as food for their young.

Source : WordNet®

beebread
     n : a mixture of nectar and pollen prepared by worker bees and
         fed to larvae [syn: {ambrosia}]