Emily Dickinson Lexicon

TUM'BLER, n.

1. One who tumbles; one who plays the tricks of a mountebank. Pope.
2. A large drinking glass.
3. A variety of the domestic pigeon, so called from his practice of tumbling or turning over in flight. It is a short-bodied pigeon, of a plain color, black, blue, or white. Cyc.
4. A sort of dog, so called from his practice of tumbling, before he attacks his prey. Swan.