pons asinorum /ponz as-i-nōrˈəm, -nörˈ or pōns as-i-nōrˈŭm/ (Latin)

1. The asses' bridge (see under ass¹)
2. Any severe test of a beginner

• four-flushed
• four-flusher
• four-flushers
• four-flushes
• four-flushing
• fourfold
• fourfoldness
• fourfoldnesses
• four-foot
• four-footed
• four-foot way
• four-function calculator
• four-function calculators
• fourgon
• fourgons
• four-handed
• four-horse
• four-hours
• Fourier analysis
• Fourierism
• Fourierist
• Fourieristic
• Fourier principle
• Fourier series
• four-inched