umbra.

A shadow, especially its darkest central region where a light source is completely blocked.

Use it for

Words that belong together

• Earth’s umbra
• dark umbra
• umbra of an eclipse

On the page

The moon passed through the Earth’s umbra.

A narrow penumbra bordered the dark umbra.

The pillar’s umbra crossed the pale floor.

Usage notes

Primary category: gothic. Forms: Singular umbra; plural umbras or umbrae. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.