D defs.my
Entry 1 sense Webster, 1913

Cumulate

/(k?"m?-l?t)/ · Cu·mu·late · IPA /ˈkju.mjəˌleɪt/
01 v. t. To gather or throw into a heap; to heap together; to accumulate.
imp. & p. p. Cumulated; p. pr. & vb. n. Cumulating
  1. 1.
    To gather or throw into a heap; to heap together; to accumulate.
    “Shoals of shells, bedded and cumulated heap upon heap.” Woodward.