sleepsuit

US /ˈsliːp.suːt/
UK /ˈsliːp.suːt/
"sleepsuit" picture
1.

grenouillère, pyjama bébé

a one-piece garment for a baby, typically covering the whole body including the feet, worn for sleeping

:
She dressed the baby in a soft cotton sleepsuit before putting him to bed.
Elle a habillé le bébé d'une grenouillère en coton doux avant de le coucher.
The baby looked adorable in his new striped sleepsuit.
Le bébé était adorable dans sa nouvelle grenouillère rayée.