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

An actor playing an ancient Greek priestess holds a silver torch containing highly combustible materials over a concave mirror.

From Seattle Times ● Apr. 15, 2024

It was a little bit concave, like a bowl.

From Science Daily ● Dec. 7, 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

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

From Complete Story of the San Francisco Horror by Richard Linthicum

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

From Textiles and Clothing by Kate Heintz Watson

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

From Aeroplanes by James Slough Zerbe

Unquestionably, for slow speeds the concaved wing is desirable, as will be explained, but for high speeds, surface formation has no value.

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