n. 25B6; noun
the cactus is covered with prickles : THORN, needle, barb, spike, point, spine; technical spicule.
Willie felt a cold prickle of fear : TINGLE, tingling (sensation), prickling sensation, chill, thrill; Medicine paraesthesia.
25B6; verb its tiny spikes prickled his skin : STING, prick.