aculeiform
adjective
acu·le·i·form
ə-ˈkyü-lē-ə-ˌfȯrm,
¦a-kyə-¦lē-
: like a prickle in shape
specifically : resembling an aculeus
Word History
Etymology
International Scientific Vocabulary acule- (from Latin aculeus prickle, sting) + -iform
First Known Use
1809, in the meaning defined above