CUMULATE, k[=u]m'[=u]-l[=a]t, _v.t._ to heap together: to
accumulate.--_adjs._ CUM'ULATE, -D, heaped up.--_n._ CUMUL[=A]'TION (=
_Accumulation_).--_adj._ CUM'ULATIVE, increasing by successive
additions.--_adv._ CUM'ULATIVELY. [L. _cumul[=a]re_, _-[=a]tum_--_cumulus_,
a heap.]
CUMULUS, k[=u]'m[=u]-lus, _n._ a heap; a kind of cloud common in summer,
consisting of rounded heaps with a darker horizontal base.--_adjs._
C[=U]'MULIFORM; C[=U]'MULOSE.--_n._ C[=U]'MULO-STR[=A]'TUS, a cloud looking
like a combination of the _cumulus_ and _stratus_. [L. _cumulus_, a heap,
and _stratus_.]