Main Entry: ¹church
Function: noun
Etymology: Middle English chirche, from Old English cirice, ultimately from Late Greek kyriakon, from Greek, neuter of kyriakos of the lord, from kyrios lord, master; akin to Sanskrit sura hero, warrior
1 : a building for public and especially Christian worship
2 : the clergy or officialdom of a religious body
3 often capitalized : a body or organization of religious believers: as a : the whole body of Christians b : DENOMINATION <the Presbyterian church> c : CONGREGATION
4 : a public divine worship <goes to church every Sunday>
5 : the clerical profession <considered the church as a possible career>

According to Meriam-Webster at http://www.m-w.com/