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

• four-hundredth
• Mumbai
• mumble
• mumble-the-peg
• mumbler
• mumblety-peg
• mumbling
• mumbo jumbo
• mumification necrosis
• mummer
• mummery
• mummichog
• mummification
• mummify
• mummy
• mummy-brown
• mumps
• mumpsimus
• mumsy
• mun
• munch
• Munchausen
• Munchausen syndrome
• Munchausen's syndrome
• Munchener