knuckle Definition

metacarpophalangeal joint, knuckle joint, buckle, duster, dusters, articulation, forearm, elbow, finger, jaw, toe, pinkie, kneejoint, rib cage, bicep, knucklebone, pinky, chin, butt, shin, kneecap, thumb, ribs, nose, cheekbone, bone, shoulder, metacarpals, knee, wrist, cheek, metacarpal bone, eye socket, heel, shoulder blade, ulna, epipodialia, toggle joint, didactyl, ear lobe, shinpad, leg, noggin, hoof, ear, mincer, backside, testicle, biceps, crazy bone, big toe, clavicle, ankle, clonk, bonce, hinge joint, splint bone, sternum, digitule, flat bone, kneejointed, metatarsal, paw, metapodial, little toe, labrums, tendon, ass, fibula, ginglymus, hotcockles, pec, cut of beef, thigh, onychia, antebrachium, spine, mallet, sexdigitist, bruise, gumshield, hand, tibia, gloved, collar bone, pilliwinks, teeth, anconeus, callus, trouser leg, lip, buttock, fanny, patellar reflex, mitts, hip, kneck, instep, canon bone, fetlock,