DICTIONARY.COM: the word "Anthem" means ...

an·them

   [an-thuhm] 

–noun

1.

a song, as of praise, devotion, or patriotism: the national anthem of Spain; our college anthem.

2.

a piece of sacred vocal music, usually with words taken from the Scriptures.

3.

a hymn sung alternately by different sections of a choir or congregation.

–verb (used with object)

4.

to celebrate with or in an anthem.

May our songs of praise and devotion, taken from Scripture, be used by choirs and congregations everywhere, to rightly celebrate... our risen King.

http://www.anthemworship.com/