Wiktionary
n. A game played by throwing wine at metal disks or pans, trying to knock them down or make them sink in a basin of water.
Usage examples of "cottabus".
I live on other people's affairs, and unless"--here it paused, took a large handkerchief out of a pocket in its fur and began to wipe its eyes--"unless a Cottabus asks fifty questions a day it curls up in its porch rocker and d-d-dies, and this is my fifth questionless day.
But Pompadore, perhaps because he was so young, felt flattered that even a curious old Cottabus should take such an interest in his affairs.
When Pompadore had finished the Cottabus leaned back, closed its eyes and put both paws on the arms of the rocker.
Again the Cottabus disappeared, only to reappear at the first turn in the road.
The Cottabus waved at Kabumpo, who stamped first one foot then another and fairly snorted with rage.