also: れきき
noun
chopping tool; chopper
Archaeological term for a simple stone tool made by striking flakes from a pebble or cobble, used for chopping or cutting.
この遺跡からは旧石器時代の礫器が多数出土した。
Many Paleolithic chopping tools were excavated from this site.
礫器は、原石の一端を打ち欠いて刃をつけた石器である。
A chopping tool is a stone tool made by striking flakes from one end of a cobble to create a cutting edge.
Compound of 礫 (れき, 'pebble') and 器 (き, 'tool'). The reading れっき results from gemination (促音便) of れき + き.