the plate is called the paten and the cup is called the chalice
a paten. It is also called a diskos.
The Chalice
bread plate
Altar - as in a sacrificial altar.
An altar is actually called "the altar", although if there are many altars in a Church, they may be called by a specific name, like the main altar, the high altar, the side altar, the Blessed Virgin Mary altar, the altar of repose, the Blessed Sacrament altar, the St. Joseph altar, etc.
Roman Catholic AnswerThe altar (and the priest when he is at the altar) are contained in the sanctuary of the Church.
The hanging cloth on an altar is called an altar cloth or an altar frontal. It is used to decorate the altar and often changes according to the liturgical season or special occasions in the church.
Sanctuary
Altar.
Some people refer to them as "Acolytes" but this is incorrect as an acolyte is an ordained ministry that one receives before being ordained a deacon. The correct name is altar server.
The 'mensa' is the top of the altar upon which the sacrifice of the Mass takes place.
The nave
sotana
The scientific name for bread is inflated yeast, or bread.