bi-weekly

/B AY1 W IY0 K L IY0/
adjective
  1. 1

    Occurring once every two weeks.

  2. 2

    Occurring twice a week (but see the Usage notes).

adverb
  1. 1

    Every two weeks.

  2. 2

    Twice a week (but see the Usage notes).

Source: https://en.wiktionary.org/wiki/bi-weekly, https://en.wiktionary.org/wiki/biweekly