noun
baby walker; walking frame
Refers to a device that assists walking, either for infants learning to walk or for adults with mobility issues. Context determines which meaning is intended.
赤ちゃんが歩行器で楽しそうに動き回っている。
The baby is happily moving around in the baby walker.
高齢の祖父は歩行器を使ってゆっくり歩く。
My elderly grandfather walks slowly using a walking frame.