In dentistry, refers to the ensemble of teeth in either jaw.

Abbreviation for computer architecture

The Gateway Arch in St. Louis, Missouri (USA)

Arches National Park in Utah (USA)

An arch is a curved structure capable of spanning a space while supporting significant weight

Arches, Cantal, a commune of the Cantal département, in France.

In computing, short for CPU architecture

Autoregressive conditional heteroskedasticity, the econometric model for time series analysis with stochastic variance

GNU arch, a source code management tool.

Arches, Vosges, a commune of the Vosges département, in France.

Natural arch, a rock form with a naturally occurring passageway

In geology, a convex bend or fold in rock layers, also called an anticline.

Arch Linux, a Linux distribution founded by Judd Vinet that emphasizes simplicity.

Arches of the foot, a part of human feet

Arch, Switzerland, a municipality in the Swiss canton of Bern.

The Arch - a residential skyscraper in Kowloon, Hong Kong.

Arch form, a sectional way of structuring a piece of music based on the repetition, in reverse order, of all or most musical sections such that the overall form is symmetrical, most often around a central movement