polliwog
/ˈpɑliˌwɑɡ/
noun
- A young frog or toad in its early stage of development, with a tail and gills, living in water; a tadpole.
- A polliwog breathes through gills until it develops lungs and becomes a frog.
- The children caught a polliwog in the pond and watched it grow legs over the summer.
- She gently scooped the polliwog into a jar to observe its transformation.
Synonyms