Definition

A term used to describe various arc-shaped formations or structures, often related to clouds, cholesterol deposits, pollen grains, or insect anatomy.

Example

The arcus cloud appeared ominously on the horizon, signaling a storm was approaching.

Conversation

Have you ever heard of an arcus?

No, I haven't. What is it?

It's a type of cloud that forms during thunderstorms, usually at the leading edge.

That sounds interesting! I’ll have to look out for it next time it storms.

Synonyms & Antonyms

Root Explanation

Arcus is a Latin word meaning bow or arch. It does not break down into smaller parts as it is a single root word. The term refers to a curved shape or structure, often resembling a bow.

Memory Tip

Think of an 'arch' as a curved structure, which helps you remember that 'arcus' refers to a bow or arch.

Visually Confused Words