cryp·to·zy·gous \|kriptə|zīgəs, (ˈ)krip|täzə̇gəs\adjective Etymology:crypt- + -zygous : having a wide skull and a narrow face so that the zygomatic arches are concealed when the skull is viewed from above • cryp·to·zy·gy\ˈkriptəˌzī]gē, kripˈtäzə], ]jē\noun-es