Noun
rock shelter (plural rock shelters)
(archaeology) A shallow cave-like opening at the base of a bluff or cliff, a frequent location of prehistoric archeological sites.
Among the crevices of the rock shelter are pigeons, jackdaws and birds of prey such as kestrels and the peregrine falcon. Source: Internet
The archaeological data between 18,000 – 3000 years ago primarily derive from cave and rock shelter sites, and are associated with Hoabinhian foragers. Source: Internet