Definition
A tumbler is someone who performs acrobatic feats, like flips, rolls, and handsprings. Think of gymnasts or cheerleaders β they're often tumblers. But the word also refers to a type of drinking glass, usually without a stem or handle. In the world of pigeons, a tumbler is a breed known for their acrobatic flight, doing backward somersaults in the air. So, the word can describe both people, objects, and even bird types with a talent for spinning and flipping.