stroller

noun
  1. A small, collapsible chair on wheels, in which a baby or young child can be pushed along. noun
    She placed her baby in the stroller and went for a walk in the park.
    The stroller was easy to fold and store in the trunk of the car.
  2. A person who takes a leisurely walk. noun
    The park was filled with strollers enjoying the sunny afternoon.
    As a stroller, he often discovered new paths and hidden spots in the city.