meniscus Synonyms

semilunar cartilage acessory cartilage bifocal beetroot aspheric achromatic lens trajectory snakeroot sickle parabola onion new moon burning glass crescent moon sickle-shaped object horned moon convex figure concave figure hand lens astigmatic lens trifocal old moon hornlike monocle meniscuses menisci circle cartilage bunion bulb bow bight bend arched arch arc crescent crook curvature magnifier lunule lunula lune lens horseshoe half-moon gristle demilune curve ambit