Sentence:  His energy was prodigious ; sometimes he would be up before dawn , clad as a <WSD>garbage</WSD> collector and hurling pails into areaways to exasperate us , and thereafter would hurry to the Bronx Zoo to grimace at the lions and press cigar butts against their paws . 
Meaning of the word marked with <WSD> tags:  someone employed to collect and dispose of refuse