Synonyms and related words :
Cynthian, S-shaped, bicorn, corniform, crescent, crescent-shaped, crescentic, crescentiform, crescentlike, falcate, falciform, horn-shaped, horned, lunar, lunate, luniform, lunular, menisciform, meniscoid, moonlike, semicircular, semilunar, sickle-like, sickle-shaped, sigmoid, two-horned