decade
1 ENTRIES FOUND:
plural
decades
plural
decades
Britannica Dictionary definition of DECADE
[count]
:
a period of 10 years
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The war lasted nearly a decade.
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a decade of drought [=a drought that lasted 10 years]
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The bridge was built a decade ago.
especially
:
a 10-year period beginning with a year ending in 0
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The decade of the 1920s runs from January 1, 1920 to December 31, 1929.
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the first decade of the 21st century
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There have been a lot of changes during/in/over the past two decades.
