1. Ecclesiastical.
    1. offerings made upon an altar of a church.
    2. offerings made to a church.
  2. an honorarium paid to a priest for services at the altar from offerings and gifts.
  3. endowments for the saying of Masses for deceased persons, often at a particular altar.

Origin of altarage

1350–1400; Middle English awterage < Anglo-French, Old French auterage. See altar, -age Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for altarage

Historical Examples of altarage