Definition of "stroller"

(US, Canada, Australia) A seat or chair on wheels, pushed by somebody walking behind it, typically used for transporting babies and young children.  examples

One who strolls.  examples

A vagrant.  quotations  examples

Men's semiformal daytime dress comprising a grey or black single- or double-breasted coat, grey striped or checked formal trousers, a grey or silver necktie, and a grey, black or buff waistcoat.  examples