romper suit
US /ˈrɑːm.pər ˌsuːt/
UK /ˈrɑːm.pər ˌsuːt/

1.
pelele, ranita
a one-piece garment for a baby or young child, typically combining a top and shorts or trousers, often worn for play or sleep
:
•
She dressed the baby in a cute blue romper suit for the picnic.
Ella vistió al bebé con un lindo pelele azul para el picnic.
•
The baby looked comfortable in his soft cotton romper suit.
El bebé se veía cómodo con su suave pelele de algodón.