Definitions
1.nounA young bird which has just developed its flight feathers (notably wings).
2.nounAn insect that has just fledged, i.e. undergone its final moult to become an adult or imago.
3.nounAn immature, naïve or inexperienced person.
4.adjectiveUntried or inexperienced.
5.adjectiveEmergent or rising.