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

Derived forms: taffrail logs

Type of: log

• outgoer
• outgoing
• outgrow
• outgrowth
• outguess
• outgun
• outhaul
• outhouse
• outing
• outlander
• outlandish
• outlandishly
• outlandishness
• outlast
• outlaw
• outlawed
• outlawry
• outlay
• outlet
• outlet box
• outlier
• outline
• outlined
• outlive
• outlook