[1] : WordNet (r) 2.0

historic period
     n 1: a stage in the history of a culture having a definable place
          in space and time; "a novel from the victorian period"
          syn: period, historical period
     2: an era of history having some distinctive feature; "we live
        in a litigious age" syn: age
see also:
period historical period age 

Period >> P Words
Period, definition of term: Period
period_pag1.html

Historic >> H Words
Historic, definition of term: Historic
historic_pag1.html

Time Period >> T Words
Time Period, definition of term: Time Period
time+period_pag1.html

Jurassic Period >> J Words
Jurassic Period, definition of term: Jurassic Period
jurassic+period_pag1.html