OK, I admit it. I wasn’t sure on this one. I actually had to look it up. A prickle (noun) is something that pricks (verb). IOW, a thorn.
Next, I searched for an image to go with this post, and had a laugh-out-loud moment when this one came up first:
I seriously went back to make sure I’d included the “l-e!”
Most of the images were, as you might expect, flowers – plants that grow thorns. But I chose another image, one that I found kind of interesting in the search results:
It is, of course, barbed wire. Maybe there was some search meta data linking the two? I don’t know…