Sentence:  His energy was prodigious ; sometimes he would be up before dawn , clad as a garbage collector and hurling pails into areaways to exasperate us , and thereafter would hurry to the Bronx Zoo to grimace at the <WSD>lions</WSD> and press cigar butts against their paws . 
Meaning of the word marked with <WSD> tags:  large gregarious predatory feline of Africa and India having a tawny coat with a shaggy mane in the male