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

• runted
• run the gauntlet
• run the guard
• run the risk of
• run the show
• run through
• run-through
• run-throughs
• runtier
• runtiest
• run time
• run-time error
• run-time errors
• run times
• run-time system
• runtish
• run to
• run to earth
• run together
• run to ground
• run to seed
• run to waste
• runts
• runty
• run up