[ad. L. acervāt-us, pa. pple. of acervā-re to heap.] Heaped, growing in heaps, or in closely compacted clusters.

1

1848.  Dana, Zoophytes, 293. The spines, in adult specimens, often acervate.

2

1867.  J. Hogg, Microsc., II. ii. 400. Bundles of acervate spiculæ of the flesh.

3