A young bird which has just developed its flight feathers (notably wings).
An insect that has just fledged, i.e. undergone its final moult to become an adult or imago.
An immature, naïve or inexperienced person.
Emergent or rising.
Untried or inexperienced.
A person who submits a petition for something; a petitioner.
A person seeking admission to a religious order.