1. A cigar-shaped log with rotary fins that measure the ship's speed
   - patent log, taffrail log

Derived forms: screw logs

Type of: log

• throttling
• through
• through an experiment
• through and through
• through empirical observation
• through with
• throughout
• throughput
• throughway
• throw
• throw a fit
• throw a spanner in the works
• throw a wobbly
• throw cold water on
• throw in the towel
• throw off
• throw out
• throw out of kilter
• throw overboard
• throw pillow
• throw rug
• throw stick
• throw together
• throw up
• throw-in