ROCKING-STONE
Source: 567
Rock″ing–stone′ (?), n. A stone, often of great size and weight, resting upon another stone, and so exactly poised that it can be rocked, or slightly moved, with but little force.
Source: 567
Rock″ing–stone′ (?), n. A stone, often of great size and weight, resting upon another stone, and so exactly poised that it can be rocked, or slightly moved, with but little force.