1. Cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown
   - pin

Type of: tumbler

Part of: cylinder lock

• ferromagnetic
• ferromagnetism
• ferrous
• ferruginous
• ferrule
• ferry
• ferryboat
• ferrying
• ferryman
• fertile
• Fertile Crescent
• fertile period
• fertile phase
• fertilisable
• fertilisation
• fertilisation age
• fertilisation membrane
• fertilise
• fertilised egg
• fertilised ovum
• fertiliser
• fertility
• fertility drug
• fertility rate
• fertilizable