Found 2 items, similar to botryoidal.
English → English (WordNet)
Definition: botryoidal
botryoidal
adj : resembling a cluster of grapes in form [syn: 
botryoid, 
boytrose]
English → English (gcide)
Definition: Botryoidal
Botryoid 
\Bot"ry*oid\, Botryoidal 
\Bot`ry*oid"al\, a. [Gr. ?
cluster of grapes + -oid.]
Having the form of a bunch of grapes; like a cluster of
grapes, as a mineral presenting an aggregation of small
spherical or spheroidal prominences; as, botryoidal hematite.
Syn: botryose.
[1913 Webster]