자연적으로 작은 받침대 위에 균형 잡혀 있어 최소한의 노력으로도 약간 흔들거나 움직일 수 있는 큰 바위.
A large boulder or stone naturally balanced on a small base, allowing it to be rocked or moved slightly with minimal effort; also known as a rocking stone or logan stone.
예문:
"The ancient logan in Cornwall has attracted tourists for centuries due to its precarious balance."
"Geologists studied the erosion patterns that led to the formation of the massive logan."
"Even a strong push failed to dislodge the logan, though it swayed slightly."