: In weather science, an arcus cloud is a low, horizontal, roll-shaped cloud formation that typically appears at the leading edge of a thunderstorm or cumulonimbus.
The word "" originates from the Latin term for "arch" or "bow". Because of its broad meaning, it is used across several different fields, ranging from science and medicine to philanthropy and technology. 1. Natural Science and Medicine : In weather science, an arcus cloud is
: Arcus was a proposed NASA mission designed to use high-resolution X-ray spectroscopy to study the formation and evolution of stars and galaxies. 2. Organizations and Foundations Apply for A Grant - Arcus Foundation : In weather science