coalsack

About 0.01 uses per million words.

Meaning

1. noun A sack for carrying coal.
2. noun Any of the spaces in the Milky Way which are very black, owing to the nearly complete absence of stars.

Similar words

coalbag cornsack crocker sack sack sacque sacket coal scuttle floursack scuttle woolsack

Often followed by

bluff nebula and is