Definition

/lʌmp/

noun

Something that protrudes, sticks out, or sticks together; a cluster or blob; a mound or mass of no particular shape.
“Stir the gravy until there are no more lumps.”
A group, set, or unit.
“The money arrived all at once as one big lump sum payment.”
A small, shaped mass of sugar, typically about a teaspoonful.
“Do you want one lump or two with your coffee?”
A dull or lazy person.
“Don't just sit there like a lump.”
(as plural) A beating or verbal abuse.
“He's taken his lumps over the years.”

verb

To treat as a single unit; to group together in a casual or chaotic manner (as if forming an ill-defined lump of the items).
“People tend to lump turtles and tortoises together, when in fact they are different creatures.”
To bear a heavy or awkward burden; to carry something unwieldy from one place to another.
To hit or strike (a person).