cygnet
/ˈsɪdʒ.nɛt/Definitions
1. noun
The young of a swan, especially when first hatched.
“The zoo was home to several cygnets, which were feeding on the aquatic plants.”
2. noun
A young swan, especially when it first grows feathers or reaches maturity.
“The beautiful cygnet swam alongside its mother in the serene lake.”