What is the meaning of Lithic?

Relating to stone

Relating to rock

Relating to lithium

Relating to the formation of uric acid concretions (stones) in the bladder and other parts of the body

pertaining to Native American culture before circa 8,500 BCE

A stone tool or projectile

A medicine that prevents stone in the bladder.

A lithic fragment: a piece of another rock eroded down to sand size.

Source: wiktionary.org