What is the meaning of Cuneiform?

Having the form of a wedge; wedge-shaped, especially with a tapered end.

Written in the cuneiform writing system.

An ancient Mesopotamian writing system, adapted within several language families, originating as pictograms in Sumer around the 30th century BC, evolving into more abstract and characteristic wedge shapes formed by a blunt reed stylus on clayen tablets.

A wedge-shaped bone, especially a cuneiform bone.

cuneiform

Source: wiktionary.org