noun
child car seat; booster seat
A safety seat for children in vehicles. Covers both rear-facing infant seats and booster seats for older children.
赤ちゃんを乗せる前に、チャイルドシートをしっかり取り付けてください。
Please install the child car seat securely before putting the baby in.
6歳未
Use of a child safety seat is mandatory for children under six years old.