• (n.) The wedge-shaped characters used in ancient Persian and Assyrian inscriptions. • (n.) One of the carpal bones usually articulating with the ulna; -- called also pyramidal and ulnare. • (a.) Wedge-shaped; as, a cuneiform bone; -- especially applied to the wedge-shaped or arrowheaded characters of ancient Persian and Assyrian in... Found on http://thinkexist.com/dictionary/meaning/cuniform/