1. an instrument that measures and records the distance traveled by a vehicle
Usage: technical

Examples

• The surveyor used an odograph to measure the exact distance of the new road.
• Early odographs were mechanical devices attached to wagon wheels.
• The odograph showed they had traveled exactly 15.3 miles.
• Maritime odographs help ships track their journey across the ocean.
• The ancient odograph consisted of gears that dropped pebbles at measured intervals.