occurring twice a year; semiannual.
occurring every two years; biennial.
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occurring twice a year Compare biennial
having two ringlike bands, as of color. adjective (zoology) having two bands, esp of colour
having two joints, as the antennae of certain insects. Historical Examples The Elements of Botany Asa Gray An Introduction to Entomology: Vol. III (of 4) William Kirby
a competitor in a biathlon.
having two auricles. pertaining to both ears.