- Every other year - Every second year - Lasting two years - Happening, or taking place, once in two years; as, a
biennial election. - Continuing for two years, and then perishing, as plants
which form roots and leaves the first year, and produce fruit the
second. - Something which takes place or appears once in two years;
esp. a biennial examination. - A plant which exists or lasts for two years.
- A little pet name for famous volcano - A volcano - Active volcano? Pay up! - An active volcano - Ante up! It could go off! - Catania’s neighbour threatening to erupt from quiet naivete - Edna slightly changed by Sicilian hot spot