Screw Log (Noun)
Meaning
A cigar-shaped log with rotary fins that measure the ship's speed.
Classification
Nouns denoting man-made objects.
Examples
- The crew carefully lowered the screw log into the water to measure the ship's speed.
- The captain relied on the screw log to determine the vessel's velocity in the open sea.
- To ensure accurate readings, the screw log was regularly calibrated and maintained by the ship's engineer.
- Historically, the screw log was an essential navigation tool for mariners before the advent of electronic speedometers.
- The screw log's rotary fins spun rapidly as the ship picked up speed, providing a reliable measurement of its velocity.