For units in astronomy, see astronomical system of units. The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun. However, that distance varies as the Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once a year.
senza. prep. 1. (Classical Music) music without; omitting. [Italian]. 1  Facebook.enza. prep. 1. (Classical Music) music without; omitting. [Italian]. 1  Facebook.
Freebase(0.00 / 0 votes)Rate this definition: Seneschal. A seneschal was an officer in the houses of important nobles in the Middle Ages. In a medieval noble household a seneschal was in charge of domestic arrangements and the administration of servants.