palaeolithic

adjective
  1. of, relating to, or denoting the earliest period of the Stone Age, characterized by the use of crude stone tools and the development of human culture
  2. Usage: also spelled Paleolithic in U.S. English; archaeological/historical term
noun
  1. the Palaeolithic period or epoch
  2. Usage: also spelled Paleolithic in U.S. English; often used with the definite article

Examples