'Olive branches' in the Bible

And that they should publish and proclaim in all their cities, and in Jerusalem, saying, Go forth unto the mount, and fetch olive branches, and pine branches, and myrtle branches, and palm branches, and branches of thick trees, to make booths, as it is written.

And I answered again, and said unto him, What be these two olive branches which through the two golden pipes empty the golden oil out of themselves?