The Collaborative International Dictionary
Aciniform
Aciniform \A*cin"i*form\, a. [L. acinus a grape, grapestone + -form: cf. F. acinoforme.]
Having the form of a cluster of grapes; clustered like grapes.
Full of small kernels like a grape.
Wiktionary
aciniform
a. 1 Having the form of a cluster of grapes; clustered like grapes. 2 Full of small kernels like a grape.