Sentence:  When Kate was a girl living in Albert Park, a lifetime before she met Rex, her <WSD>bottle-o</WSD> had some sort of motor truck. Some of us can remember the horse and cart used by the <WSD>bottle-o</WSD>, the milk-o, the ice-man, and especially the woodman. 
Meaning of the word marked with <WSD> tags:  A door-to-door trader in used bottles.