The Collaborative International Dictionary of English v.0.48:
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. [1913 Webster]WordNet (r) 3.0 (2006):
beebread n 1: a mixture of nectar and pollen prepared by worker bees and fed to larvae [syn: beebread, ambrosia]