Biennial

1.

(Happening every two years, lasting for only two years) ដែលកើតឡើងពីរឆ្នាំម្ដង
Example: A biennial election, a bienneal plant, Carrots and beets are biennials.

1.

Something which takes place or appears once in two years; esp. a biennial examination.

2.

A plant which exists or lasts for two years.

1.

Happening, or taking place, once in two years; as, a biennial election.

2.

Continuing for two years, and then perishing, as plants which form roots and leaves the first year, and produce fruit the second.