The Collaborative International Dictionary
Acervate \A*cer"vate\, v. t. [L. acervatus, p. p. of acervare to heap up, fr. acervus heap.] To heap up. [Obs.]
Acervate \A*cer"vate\, a. Heaped, or growing in heaps, or closely compacted clusters.
(context chiefly botany rare English) heaped, or growing in heaps, or closely compacted clusters. v
(context obsolete English) To heap up.
adj. pertaining to a growth of fungi that forms a heaped-up mass; "acervate fungous sporophores"