Definition of Coalsack in English:

Coalsack

Syllabification: Coal·sack
Pronunciation: /ˈkōlˌsak
 
/
(the Coalsack)
Astronomy
A dark nebula of dust near the Southern Cross that gives the appearance of a gap in the stars of the Milky Way.

Definition of Coalsack in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something