royal jelly
noun/ˌrɔɪəl ˈdʒeli/
/ˌrɔɪəl ˈdʒeli/
[uncountable]- a substance that is produced by worker bees and that is fed to a young queen bee
- health food products containing royal jelly
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royal jelly
Definition of royal jelly noun from the Oxford Advanced Learner's Dictionary