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from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To gather in a heap; accumulate.
  • transitive v. To combine into one unit; merge.
  • intransitive v. To become massed.
  • adj. Having cumulated or having been cumulated; heaped up or amassed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To accumulate; to amass.
  • v. To be accumulated.
  • adj. accumulated, agglomerated, amassed

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To gather or throw into a heap; to heap together; to accumulate.

from The Century Dictionary and Cyclopedia

  • To gather or throw into a heap or mass; bring together; accumulate.
  • In Louisiana law, to combine in a single action: applied to actions or causes of action.
  • Heaped or piled up; as, a cumulate sentence or subject.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. collect or gather


Latin cumulāre, cumulāt-, from cumulus, heap; see keuə- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin cumulatus, past participle of cumulo ("to pile up"). (Wiktionary)



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