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

• sun cracks
• sun cream
• sun creams
• sun cult
• sun cults
• sun-cured
• sundae
• sundaes
• sun dance
• sun dances
• sundari
• sundaris
• Sunday
• Sunday best
• Sunday driver
• superiors
• superiorship
• superiorships
• superjacent
• superjet
• superjets
• superjumbo
• superl.
• superlative
• superlatively