[adj] pertaining to a growth of fungi that forms a heaped-up mass; "acervate fungous sporophores"
\A*cer"vate\, v. t. [L. acervatus, p. p. of acervare to heap up, fr. acervus heap.] To heap up. [Obs.]
\A*cer"vate\, a. Heaped, or growing in heaps, or closely compacted clusters.