aciniform
/əˈsɪnɪfɔːm/adjective
1Resembling a grape, bunch of grapes, or compound berry.
2 Anatomy and Zoology. Consisting of acini; specifically designating a type of silk gland in spiders that has this form; (of silk) produced by such a gland.
Origin
Late 18th century; earliest use found in Robert Hooper (1773–1835), physician and medical writer. From post-classical Latin aciniformis from classical Latin acinus + -formis; compare -iform.