bulk, mass, volume -- (the property of something that is great in magnitude; "it is cheaper to buy it in bulk"; "he received a mass of correspondence"; "the volume of exports")
Mass -- (a musical setting for a Mass; "they played a Mass composed by Beethoven")
Mass -- (a sequence of prayers constituting the Christian Eucharistic rite; "the priest said Mass")
Overview of verb mass
The verb mass has 1 sense
mass -- (join together into a mass or collect or form a mass; "Crowds were massing outside the palace")
Overview of adj mass
The adj mass has 1 sense
aggregate, aggregated, aggregative, mass -- (formed of separate units gathered into a mass or whole; "aggregate expenses include expenses of all divisions combined for the entire year"; "the aggregated amount of indebtedness")