Clue: Underwater propeller?

Answer: FIN

Length: 3

---

Similar Clues:

• Rowboat propeller (OAR with 3 letters)
• Underwater search device (SONAR with 5 letters)
• Fish propeller (FIN with 3 letters)
• Underwater herbivore (SEACOW with 6 letters)
• Skullcap with a propeller, essentially (BEANIE with 6 letters)
• Vessel for underwater work (DIVINGBELL with 10 letters)
• Trireme propellers (OARS with 4 letters)
• Underwater explorer (OCEANAUT with 8 letters)
• Underwater vessel (UBOAT with 5 letters)
• Riverboats' propellers (PADDLEWHEELS with 12 letters)