You searched for: “aculeolate”
aculeolate (adjective) (not comparable)
Referring to something with little sharp-pointed spines: The little cactus was quite aculeolate and the little pointed spines would grow quite large with time.
The little sea urchin that Jenny saw had a hard aculeolate shell which she took a photo of and wanted to show to her biology teacher.
This entry is located in the following unit: acuto-, acut-, acuti-, acu-, -cusis; also, agu- (page 2)