Definition:
Compare biennial with other words:
biennial vs. centennial
biennial vs. foxglove
biennial vs. burdock
biennial vs. quadrennial
biennial vs. triennial
biennial vs. parsley
biennial vs. caraway
annual vs. biennial
biennial vs. perennial
biennial vs. fruit
biennial vs. grow
biennial vs. plant
biennial vs. biennially
biennial vs. two
biennial vs. year