biennial

The state legislature had assembled in biennial session that winter.

Biennial means lasting two years or occurring once in two years.

The sessions, however, were biennial, and could only be convened by authority of the Governor.

It is a biennial plant, and is cultivated for its leaves and leaf-stalks.

Elections in the Senate are of three sorts: annual, biennial, and extraordinary.

There are several of them beautiful annual and biennial plants.

Grasses are annual, biennial, or perennial, and it is often of importance to know which.

Two peduncles mostly come out of the upper sheath; some leaves are biennial.

Our species are biennial, leafy-stemmed, and pale or glaucous.

A biennial or perennial form; considered to be a denizen by Watson.