mushroom. chair.

Bold, bulbous and dramatic. Words you don't usually use to describe a piece of furniture that's part of the permanent collection at the Museum of Modern Art, I'd guess. But that's what the Mushroom Chair by Pierre Paulin is like. Although I will dispute the "bulbous" moniker as it actually looks anti-bulbous to me. If convex is to concave, then I'd say bulbous is to (made up word here) bulbom,