glochid
wear latex gloves when you're transplanting prickly pear cacti, otherwise you'll be stuck by a glochid
that irritating prickly thingie on a flat type of cactus (an opuntia, for instance) that jabs you and gets embedded in your skin
"wear latex gloves when you're transplanting prickly pear cacti, otherwise you'll be stuck by a glochid" What is the definition of "glochid"?