inion iniomous • iniquitable · · · Info · Definitions · Characters · · inion · · Text Latin · · Script 5 · · Length Definitions · · · (noun) the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance). · · Noun Definition 1 Characters · · i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F