An arrangement whereby property is transferred by its owner—the settlor—with the intention that it be administered by someone else—a trustee—for another person's benefit, with the direction that the trustee gather, rather than distribute, the income of the trust and any profits made from the sale of any of the property making up the trust until the time specified in the document that created the trust.
Many states have laws governing the time over which accumulations may be made.
"Accumulation Trust." West's Encyclopedia of American Law. . Encyclopedia.com. (September 21, 2018). http://www.encyclopedia.com/law/encyclopedias-almanacs-transcripts-and-maps/accumulation-trust
"Accumulation Trust." West's Encyclopedia of American Law. . Retrieved September 21, 2018 from Encyclopedia.com: http://www.encyclopedia.com/law/encyclopedias-almanacs-transcripts-and-maps/accumulation-trust