mandrel or mandril /manˈdrəl/

1. A bar of iron fitted to a turning-lathe on which articles to be turned are fixed
2. The axle of a circular saw
3. A miner's pick

• retroverting
• retroverts
• Retrovir
• retroviral
• retrovirus
• retroviruses
• retry
• retrying
• rets
• retsina
• retsinas
• retted
• retteries
• rettery
• retting
• Rett's syndrome
• retund
• retunded
• retunding
• retunds
• retune
• retuned
• retunes
• retuning
• returf