biweekly

adj

1. (not-comparable)Occurring once every two weeks; fortnightly.
2. (not-comparable)Occurring twice a week.

adv

1. (not-comparable)Every two weeks.
2. (not-comparable)Twice a week (but see the Usage notes).

noun

1. Something that is published or released once every two weeks.

   “The local paper is a biweekly.”