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

• ommateum
• ommatidia
• ommatidium
• ommatophore
• ommatophores
• omneities
• omneity
• omni-
• omniana
• omnibenevolence
• omnibenevolent
• omnibus
• omnibus book
• omnibus books
• omnibus box
• omnibus boxes
• omnibus clause
• omnibus clauses
• omnibus edition
• omnibus editions
• omnibuses
• omnibus train
• omnibus trains
• omnicompetence
• omnicompetences