The Collaborative International Dictionary of English v.0.48:

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