concave

The digital replica shows that some of the boilers are concave, which suggests they were still operating as they were plunged into the water.

From BBC ● Apr. 8, 2025

It only uses 1.0 gpf, with the help of two strong jets concealed in a concave rim beneath the seat that create a strong swirl during the flush.

From Slate ● Feb. 25, 2025

It was a little bit concave, like a bowl.

From Science Daily ● Dec. 7, 2023

On the top and bottom of the cylinder, the metal had been pushed up in a concave shape, thrust out from pressure on the inside.

From Los Angeles Times ● Aug. 3, 2023

The feathers were concave, which separated them from one another, making a texture of ridges which he considered graceful.

From "The Once and Future King" by T. H. White

In the second book of his Dark Star trilogy, James coaxes beauty from dark thoughts, leaving readers with a concaved, mystical and African-inspired world that begins in free-fall.

From Los Angeles Times ● Feb. 15, 2022

If a button is much concaved, the pin may be placed underneath.

From Textiles and Clothing by Kate Heintz Watson

The flukes of sperm whales are broad and triangular in shape, are not concaved, but are deeply notched on the rear margin.

From Whales, Dolphins, and Porpoises of the Western North Atlantic A Guide to Their Identification by David Caldwell

The surface between the bearing surface and the inner edge of the shoe is often beaten down or concaved to prevent pressure too far inward upon the sole.

From Special Report on Diseases of the Horse by Charles B. Michener

San Francisco’s magnificent municipal building had concaved like an egg shell.

From Complete Story of the San Francisco Horror by Richard Linthicum

The world below looked like a vast, shallow bowl, the sides concaving upwards around him to the horizon.

From Hoof and Claw by Sir Charles George Douglas Roberts