Crescent-shaped bifacially flaked stone tool generally restricted to the American Paleo-Indian period and usually found near extinct Pleistocene lakeshores. Such tools may have been used for hunting large shorebirds.
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bulbar scar (Small, paper-thin, often crescent-shaped scar left within the bulb of percussion after a flake ...)
Fertile Crescent (Region consisting of lower Mesopotamia and Egypt and that was the area of early domestication ...)
lunar (Pertaining to any structure that has a crescent or moonlike shape.)
lunate sulcus (Crescent-shaped groove that approximates the anterior boundary of the visual cortex in ...)
malarial crescent (Gametocyte of the malarial parasite Plasmodium falciparum, which is crescentshaped. Aka sickle ...)