sarsen
/ˈsɑːsən/(亦作sarsen stone)
noun
- Geology a silicified sandstone boulder of a kind which occurs on the chalk downs of southern England. Such stones were used in constructing Stonehenge and other prehistoric monuments.【地质】砂岩漂砾（曾用于建造英格兰南部的史前巨石阵）。
词源
late 17th cent.: probably a variant of SARACEN.