
1) Dark pigments 2) Onyx and ebony 3) Roulette bets 4) Sable and ebony
Found on
https://www.crosswordclues.com/clue/blacks

1) Ebons
Found on
https://www.crosswordclues.com/clue/blacks

flakes of soot
Found on
http://charlesdickenspage.com/glossary.html

• (n. pl.) Soot flying in the air. • (n. pl.) Black garments, etc. See Black, n., 4. • (n. pl.) The name of a kind of in used in copperplate printing, prepared from the charred husks of the grape, and residue of the wine press.
Found on
http://thinkexist.com/dictionary/meaning/blacks/

Chips in the $100 denomination are commonly coloured black.
Found on
http://www.blackjackchoice.com/blackjack-glossary

An ethnic group belonging to the negroid race. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

Black curtains at the back and sides of the stage.
Found on
http://www.encyclo.co.uk/local/21207
Blacks noun plural 1. The name of a kind of in used in copperplate printing, prepared from the charred husks of the grape, and residue of the wine press.
2. Soot flying in the air. [ Eng.]
3. Black garments, etc. See
Black ,
noun , 4.
Found on
http://www.encyclo.co.uk/webster/B/61

Curtains hung both to mask the back-stage area and to shape the on-stage area. Normally made of wool surge.
Found on
https://www.encyclo.co.uk/local/20411

Black curtains at the back and sides of the stage. Also ther black clothing worn by stage crew so that they don't attract attention to themselves during scene changes when house tabs are either not used or not there!
Found on
https://www.encyclo.co.uk/local/21782
No exact match found.