Webster's Revised Unabridged Dictionary · 1913

Lump

Lump (lump) , noun

[Compare OD. lompe piece, mass. Compare Lunch.]

1.
A small mass of matter of irregular shape; an irregular or shapeless mass; as, a lump of coal; a lump of iron ore.
A lump of cheese. — Piers Plowman
This lump of clay. — Shakespeare
2.
A mass or aggregation of things.
3.
(Firearms) A projection beneath the breech end of a gun barrel.
They may buy them in the lump. — Addison

Lump , intransitive verb

1.
To throw into a mass; to unite in a body or sum without distinction of particulars.
The expenses ought to be lumped together. — Ayliffe
2.
To take in the gross; to speak of collectively.
Not forgetting all others,... whom for brevity, but out of no resentment to you, I lump all together. — Sterne
3.
To get along with as one can, although displeased; as, if he doesn't like it, he can lump it. [Low]