a. [ Pref. tri- + literal. ] Consisting of three letters; trigrammic; as, a triliteral root or word. -- n. A triliteral word. [ 1913 Webster ]
n. Same as Triliterality. [ 1913 Webster ]
{ } n. The quality of being triliteral; as, the triliterality of Hebrew roots. W. D. Whitney. [ 1913 Webster ]