Alternative form of ground game

(rare) To engage in ostrichism; to bury one's head in the sand; to deliberately ignore problems.

(architecture) A tower, usually in a prominent position, having a large clock in a high position, often with several faces.

The acceleration of a body, relative to the freefall acceleration due to any local gravitational field, expressed in multiples of g0 (the mean acceleration due to gravity at the Earth's surface).