botryoidal
bɒˈtraɪ.ɔɪ.əl
Definitions
1. adjective
Having a botryoid shape; resembling a bunch of grapes.
“The botryoidal crystals formed in the abandoned mine were a stunning sight.”
2. adjective
Resembling a cluster of grapes in shape or form.
“The botryoidal pattern on the artist’s sculpture was inspired by nature.”