[bʌɪˈɛnɪəl], (Adjective)

Definitions:
- taking place every other year
(e.g: the first of a series of biennial exhibitions)

- (of a plant) taking two years to grow from seed to fruition and die


Phrases:

Origin:
early 17th century: from Latin biennis (from bi- ‘twice’ + annus ‘year’) + -al

[bʌɪˈɛnɪəl], (Noun)

Definitions:
- a biennial plant

- an event celebrated or taking place every two years
(e.g: the top antiques fairs are the Milan and Florence biennials)


Phrases:

Origin:
early 17th century: from Latin biennis (from bi- ‘twice’ + annus ‘year’) + -al