Bible Dictionaries
Jubilate

Webster's Dictionary

(1):

(n.) 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."

(2):

(n.) A name of the 100th Psalm; - so called from its opening word in the Latin version.

(3):

(v. i.) To exult; to rejoice.

Bibliography Information
Webster, Noah. Entry for 'Jubilate'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​j/jubilate.html. 1828.