
1) Slang for cheating at cards
Found on
https://www.crosswordclues.com/clue/greeking

Greeking is a style of displaying or rendering text or symbols, not always from the Greek alphabet. Greeking obscures portions of a work for the purpose of either emphasizing form over details or displaying placeholders for unavailable content. The name is a reference to the phrase `Greek to me`, meaning something that one cannot understand, so .....
Found on
http://en.wikipedia.org/wiki/Greeking

A software device where areas of grey are used to simulate lines of text. One of desktop publishing's less clever methods of getting round the slowness of high-resolution displays.
Found on
http://www.encyclo.co.uk/local/20829

Greeking is slang for cheating at cards.
Found on
http://www.probertencyclopaedia.com/browse/ZG.HTM
No exact match found.