church
 /ˈʧɚʧ/  noun  ,  pl   church·es
  1 a [  count  ] : a building that is used for Christian religious services
   This is the oldest church in town.
   They would like to be married in a church.
  — often used before another noun
   church bells/weddings/services
  1 b [  noncount  ] : religious services held in a church
   They go to church [=attend church services] every Sunday.
   I didn't see you at/in church last Sunday.
  2  or   Church [  count  ] : a particular Christian group
   He is a member of the Catholic/Baptist/Anglican Church.
   What church do you belong to?
  3 [  noncount  ] : the Christian religion seen as an organization : the institution of the Christian religion
   the church's attitude toward divorce
   the separation of church and state