cu·mu·late (kyūm'yə-lāt')

v., -lat·ed, -lat·ing, -lates.

v.tr.

1. To gather in a heap; accumulate.
2. To combine into one unit; merge.

v.intr.
To become massed.

adj.
Having cumulated or having been cumulated; heaped up or amassed.

[Latin cumulāre, cumulāt-, from cumulus, heap.]

cumulation cu'mu·la'tion n.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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