noun. any recently hatched animal (especially birds).
Example sentences of the word hatchling
1. Noun, singular or mass
If you get a turtle that is not a hatchling, it can be hard to tell the age of the turtle, but there are some tricks for this.
2. Verb, gerund or present participle
Conservation and educational programs at the aquarium include tours of the dolphin and whale hospital, and sea turtle hatchling observatory.