stroller

Etymology

stroll + -er

noun

1. (US, Canada, Australia) A seat or chair on wheels, pushed by somebody walking behind it, typically used for transporting babies and young children.
2. One who strolls.
3. A vagrant.
   The mayor observed that it was great presumption in Wilson, who was a stroller, to proceed to such extremities with a gentleman of family and fortune; and threatened to commit him on the vagrant act. 1771, Tobias Smollett, Humphry Clinker, Penguin Classics, published 1985, page 41
4. 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.