[1] : The Collaborative International Dictionary of English v.0.48

jubilee \ju"bilee\, n. f. jubil'e, l. jubilaeus, gr. ?, fr.
   heb. y=obel the blast of a trumpet, also the grand
   sabbatical year, which was announced by sound of trumpet.
   1913 webster
   1. jewish hist. every fiftieth year, being the year
      following the completion of each seventh sabbath of years,
      at which time all the slaves of hebrew blood were
      liberated, and all lands which had been alienated during
      the whole period reverted to their former owners. in this
      sense spelled also, in some english bibles, jubile.
      --lev. xxv. 8-17.
      1913 webster

   2. the joyful commemoration held on the fiftieth anniversary
      of any event; as, the jubilee of queen victoria's reign;
      the jubilee of the american board of missions.
      1913 webster

   3. r. c. ch. a church solemnity or ceremony celebrated at
      rome, at stated intervals, originally of one hundred
      years, but latterly of twenty-five; a plenary and
      extraordinary indulgence granted by the sovereign pontiff
      to the universal church. one invariable condition of
      granting this indulgence is the confession of sins and
      receiving of the eucharist.
      1913 webster

   4. a season of general joy.
      1913 webster

            the town was all a jubilee of feasts. --dryden.
      1913 webster

   5. a state of joy or exultation. r. "in the jubilee of his
      spirits." --sir w. scott.
      1913 webster
see also:
jubile 

Jubile >> J Words
Jubile, definition of term: Jubile
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