Resembling or characteristic of an amphitheater.

Initialism of all-purpose. / (medicine) Initialism of anteroposterior. / (military) Initialism of anti-personnel. / (military) Initialism of armor-piercing. / Initialism of alternately placed.

A surname from French.

The first day of May (since 1752); May Day, a Scottish quarter day, sometimes associated by Christians with the nearest Church Feast, the Invention of the Cross (May 3rd), and Whitsunday (May 15th).