Jubilate

Webster's Dictionary of the English Language

·vi To Exult; to Rejoice.

II. Jubilate ·noun A name of the 100th Psalm;

— so called from its opening word in the Latin version.

III. Jubilate ·noun The third Sunday after Easter;

— so called because the introit is the 66th Psalm, which, in the Latin version, begins with the words, "Jubilate Deo.".