bastion /bastˈyən or bast-i-ən/

1. A kind of tower at the angle of a fortification
2. A defence, defender (figurative)

• spinning mules
• spinnings
• spinning top
• spinning-wheel
• spinning-wheels
• Spinning®
• spinny
• spino-
• spinode
• spinodes
• spin off
• spin-off
• spin-offs
• spinose
• spinosities
• spinosity
• spinous
• spin out
• spin-out
• spinout
• spinouts
• Spinozism
• Spinozist
• Spinozistic
• spins