mass (EN)
noun, verb, adjective, noun

noun “mass”

sg. mass, pl. masses or uncountable
  1. a very large amount of a substance (e.g. water)
    The asteroid was a huge mass of rock hurtling through space.
  2. a property of matter that measures its resistance to being moved, with the kilogram as its unit
    The mass of an apple is measured in kilograms, indicating how much matter it contains.
  3. an abnormal lump in the body, such as a tumor
    The doctor found a small mass in her abdomen during the examination.
  4. a lot of something
    She collected a mass of shells along the beach.
  5. the biggest or main part of something
    The mass of the employees are not happy with the new budget cuts.

verb “mass”

mass; he masses; past massed, part. massed; ger. massing
  1. (intransitive) to assemble in a large mass
    The clouds began to mass ominously over the city.
  2. (transitive) to form a large group of
    The country massed its soldiers to defend against the attacker.

adjective “mass”

mass, non-gradable
  1. vast; extensive
    Scientists are studying the effects of a mass extinction that happened millions of years ago.
  2. involving a large number of people
    The mass protests in the city center drew attention from around the world.

noun “mass”

sg. mass, pl. masses or uncountable
  1. the Christian ceremony of the Eucharist, mainly in Roman Catholicism
    Every Sunday, the family attends Mass at their local church to participate in the celebration of the Eucharist.
  2. a musical composition that sets parts of the Christian Eucharist to music
    The choir performed a beautiful mass by Mozart during the Sunday service.