(n) A nutritious substance secreted because of the pharyngeal glands of worker bees that functions as meals for several youthful larvae so when really the only food for larvae that may develop into queen bees.
(n) A substance secreted by bees to aid in the development of immature or youthful bees, called royal jelly since it is supplied in additional measure to those young that come to be queen bees.
(n) a secretion associated with the pharyngeal glands of bees that is provided to really younger larvae also to bees destined becoming queens
Royal jelly in Apiculture Dictionary
a very nourishing, milky white release of this hypopharyngeal gland of nurse bees; regularly feed the queen and young larvae. by Werner VitaReport definition