boxing ring(n = noun.artifact) prize ring - a square ring where boxers fight;
is a kind of ring

N  arena, field, platform, scene of action, theater, walk, course, hustings, stare, boards, amphitheater, Coliseum, Colosseum, Flavian amphitheater, hippodrome, circus, race course, corso, turf, cockpit, bear garden, playground, gymnasium, palestra, ring, lists, tiltyard, tilting ground, Campus Martins, Champ de Allars, campus, boxing ring, canvas, theater of war, seat of war, battle-field, battle-ground, field of battle, field of slaughter, Aceldama, camp, the enemy's camp, trusting place.

anchor ring, annual ring, bearing ring, benzene ring, boxing, boxing day, boxing equipment, boxing glove, boxing match, brass ring, coffee ring, curtain ring, engagement ring, fairy ring, gas ring, growth ring, heterocyclic ring, kayser-fleischer ring, key ring, life ring, lock ring, mourning ring, napkin ring, nose ring, o ring, parhelic ring, pinion and ring gear, piston ring, prize ring, professional boxing, ring, ring armature, ring armor, ring armour, ring blackbird, ring containment, ring dance, ring disease, ring finger, ring girl, ring in, ring lardner, ring mail, ring of color, ring out, ring ouzel, ring road, ring rot, ring rot bacteria, ring rot fungus, ring snake, ring thrush, ring up, ring vaccination, ring winding, seal ring, signet ring, slinger ring, slip ring, snap ring, storage ring, sweet-potato ring rot, teething ring, towel ring, vortex ring, wedding ring, whiskey ring, whisky ring, wrestling ring