acervate
/əˈsəːvət/ /ˈasəveɪt/Botany and Zoology
adjective
Heaped; growing in heaps or closely compacted clusters.
Origin
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From classical Latin acervātus, past participle of acervāre acervate.