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

Her features are concave, her face a wide platter fringed with red hair.

From "Water for Elephants" by Sara Gruen

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

The sides of this nest should be packed hard, the bottom smooth and slightly concaved, not too much, as the tendency then would be to break the eggs if they crowded towards the centre.

From Natural and Artificial Duck Culture by James Rankin

The flukes are broad, concaved on the rear margin, and deeply notched.

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

The beach is about 10 yards wide and 350 to 400 feet long and it runs into a slightly concaved, grassy slope that rises gently to a height of a hundred feet.

From The Story of the Great War, Volume III (of 8) History of the European War from Official Sources by Francis J. (Francis Joseph) Reynolds

One of them ventured the opinion that birds' wings were concaved on the lower side.

From Aeroplanes by James Slough Zerbe

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