Entry 3 senses · 2 variants Webster, 1913

Nestling

/nĕs'-tlĭng/ · Nes·tling · IPA /ˈnɛstlɪŋ/

01 n. A young bird which has not abandoned the nest.

1.
A young bird which has not abandoned the nest.
2.
A nest; a receptacle.[Obs.]

02 a. Newly hatched; being yet in the nest.

1.
Newly hatched; being yet in the nest.