Englishfor English speakers
CD
Noun
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A CD is a type of plastic disk that is used to store computer files.
The singer released his new CD album.
—
This is the Roman numeral for four hundred (400). It may be written as CD or cd.
jacks
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noun
(= jackstones)
a game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball