pons asinorumpons as·i·no·rum
- Geom. the fifth proposition of the first book of Euclid (that the base angles of an isosceles triangle are equal)
- any problem hard for beginners
Origin of pons asinorumModL, literally , bridge of asses
A problem that severely tests the ability of an inexperienced person.
Origin of pons asinorumNew Latin p&omacron;ns asin&omacron;rum, bridge of fools (nickname of the Fifth Proposition in the Elements of Euclid, due to its difficulty) : Latin p&omacron;ns, bridge + Latin asin&omacron;rum, genitive pl. of asinus, ass, fool.