单词 |
coal-sack |
释义 |
ˈcoal-sack 1. A sack to carry coal in.
1632Massinger City Madam iv. iii, A coal-sack for a winding-sheet. 1638Ford Fancies i. ii, Let me be buried in a coal sack. 1854Hull Improv. Act 52 Penalty for using undersized coal-sacks. 2. A name given to patches in the Milky Way distinguished by extraordinary blackness, owing to the absence of even dim stars; esp. to one near the Southern Cross, formerly called also the Black Magellanic Cloud.
1870Proctor Other Worlds than Ours xi. 264 In the southern Coal-sack there are minute telescopic stars. 1879Newcomb & Holden Astron. 415 Vacant spaces in it [Milky Way] which the navigators call coal-sacks. |

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