living rock: usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States
cactus: any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines
patchcord: a length of wire that has a plug at each end; used to make connections at a patchboard