adjective

1. 1. of or relating to worldly things as distinguished from things relating to church and religion; not sacred or religious; temporal; worldly secular music, secular schools
   2. of or marked by secularism; secularistic
2. ordained for a diocese
3. 1. coming or happening only once in an age or century
   2. lasting for an age or ages; continuing for a long time or from age to age

Etymology: ME seculer < OFr < LL(Ec) saecularis, worldly, profane, heathen < L, of an age < saeculum, an age, generation < IE *seitlo- < base *sei-, to scatter, sow

noun

1. a cleric ordained for a diocese
2. a person not a cleric; layman