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

• Cornus sanguinea
• Cornus stolonifera
• Cornwall
• Cornwallis
• corny
• Corokia
• corolla
• corollary
• corona
• Corona Borealis
• corona discharge
• coronach
• coronagraph
• coronal
• coronal suture
• coronary
• coronary artery
• coronary artery bypass graft
• coronary bypass
• coronary bypass surgery
• coronary care unit
• coronary failure
• coronary heart disease
• coronary insufficiency
• coronary occlusion