- An affidavit, a legally binding statement or oath
- Rather than testify in open court, each sailor posted a davy before sailing off.
- A davy lamp, more often capitalized as Davy lamp, a type of safety lamp
- The miner knew the old davy was safer than any open flame, but far riskier than a modern flashlight.
- Davy Lamp
- Davy lamp
- Davy's lamp