coalsack

Meaning

coalsack means (astronomy) Any of the spaces in the Milky Way which are very black, owing to the nearly complete absence of stars. It can have more than one sense, so use the alternate meanings and examples to choose the meaning that matches your sentence.

Examples

• The article uses coalsack to mean (astronomy) Any of the spaces in the Milky Way which are very black, owing to....
• The teacher asked students to find coalsack in the reading.