Ju`bi*la"te (?), n. [L., imperat. of
jubilare to shout for joy.]
1. 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. A name of the 100th Psalm; -- so called
from its opening word in the Latin version.
Ju"bi*late (?), v. i. [L.
jubilatus, p. p. of jubilare.] To exult; to
rejoice. [R.] De Quincey.