1.  fledgling(n = noun.person) entrant, fledgeling, freshman, neophyte, newbie, newcomer, starter - any new participant in some activity;
is a kind of beginner, initiate, novice, tiro, tyro
has particulars: enlistee, recruit
Derived form adjective fledgling₂

2.  fledgling(n = noun.animal) fledgeling - young bird that has just fledged or become capable of flying;
is a kind of young bird
Derived form adjective fledgling₁

1.  fledgling(s = adj.all) fledgeling - (of a young bird) having acquired its flight feathers; "a fledgling robin"
Derived form noun fledgling₂

2.  fledgling(s = adj.all) callow, unfledged - young and inexperienced; "a fledgling enterprise"; "a fledgling skier"; "an unfledged lawyer"
Derived form noun fledgling₁

1.  a new member of a group. [WordNet 1.5]

2.  A young bird just fledged. [1913 Webster]

1.  having just acquired its flight feathers; -- of a young bird; as, a fledgling robin. [WordNet 1.5]

2.  young and inexperienced; as, a fledgling enterprise; a fledgling skier. [WordNet 1.5]

fledgling, n. (also fledgeling)
1 a young bird.
2 an inexperienced person.

Etymology:
FLEDGE + -LING(1)