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lump

A lump is a mass of stuff with no definite shape, a swelling underneath the skin or to a person who is dull-witted. (noun)

  1. A pile of clay that is piled or stuck together with no definitive form is an example of a lump of clay.
  2. When a tumor under the skin causes an area of your skin to swell, this is an example of a lump.
  3. An unintelligent person is an example of a lump.

To lump is to group things together, even if they don't necessarily all belong together. (verb)

When you meet one person and decide his whole family is just like him, this is an example of a situation where you lump the family together.

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See lump in Webster's New World College Dictionary

See lump in American Heritage Dictionary 4

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