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

• cacophonous
• cacophony
• Cactaceae
• cactus
• cactus euphorbia
• cactus family
• cactus mouse
• cactus wren
• cacuminal
• cad
• cadaster
• cadastral
• cadastre
• cadaver
• cadaveric
• cadaverine
• cadaverous
• caddice
• caddice worm
• caddice-fly
• caddie
• caddis
• caddis-fly
• caddish
• caddisworm