mass
noun
the property of a body that causes it to have weight in a gravitational field
(often followed by `of') a large number or amount or extent
“a batch of letters”
“a deal of trouble”
an ill-structured collection of similar things (objects or people)
(Roman Catholic Church and Protestant Churches) the celebration of the Eucharist
a body of matter without definite shape
“a huge ice mass”
the common people generally
“separate the warriors from the mass”
“power to the people”
the property of something that is great in magnitude
“it is cheaper to buy it in bulk”
“he received a mass of correspondence”
a musical setting for a Mass
“they played a Mass composed by Beethoven”
a sequence of prayers constituting the Christian Eucharistic rite
“the priest said Mass”
verb
join together into a mass or collect or form a mass
“Crowds were massing outside the palace”
adjective
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”
Source: WordNet 3.1, Princeton University