Doing penance by eating less food than usual
Fasting
The liturgical season of penance in preparation for Easter
Lent
A solemn promise made to God of something good and pleasing to him
Vow
A declaration calling on God as a witness to the truth of what is being said
Oath
The liturgical season starting four weeks before Christmas, during which we prepare for the birth of Jesus
Advent
Mary's conception free of the stain of original sin
Immaculate Conception
A divinely revealed truth which we can never fully understand
Mystery
A sign given by Jesus that gives us grace
Sacrament
Something done to make up for sin
Penance
Being free of mortal sin and possessing God's grace
State of grace
The sin of worshiping something other than God
Idolatry
The willful denial of a truth of the faith
Heresy
The part of the Church over which a bishop has authority
Diocese
Someone who pleads or prays for another
Intercessor
Belief that creatures or objects have supernatural powers
Superstition
The public ceremonies of the Church used for worship
Liturgy
A particular rule or command
Precept
The sin of speaking about or to God in a scornful or irreverent way
Blasphemy
The sin of lacking reverence or proper respect for God
Impiety
A container in our churches in which the Blessed Sacrament is reserved
Tabernacle
The ceremony in which Sacred Host is placed in a monstrance on or above the altar for adoration
Exposition
The offering of something in an act of worship
Oblation
Holy Communion given to someone in danger of death
Viaticum
A special vessel used to hold and display the Sacred Host for adoration
Monstrance