Wiktionary
baby seat
n. a car safety restraint designed for infants and young children.
Usage examples of "baby seat".
She was sitting on the front porch, keeping an eye on Lucy, who was bouncing in her baby seat.
She bounced up and down in her clip-on baby seat, causing everything on the table to bounce up and down in tandem.
I saw you pull a wad of cash out of your kid's baby seat at the train station.
He probably hadn't been up in the baby seat of the shopping cart for as long as two years.
The baby in question was sitting in her baby seat, swaddled in all her blankets, squalling like a scalded cat.
We left the stroller in the doorway and he slid Mae into the baby seat of the metal cart.