a. [ad. L. biformis, f. bi- two + forma shape, form.] Having, or partaking of, two distinct forms.
1816. R. Jameson, Char. Min. (1817), 202. A crystal is said to be bi-form, when it contains a combination of two remarkable forms.
1825–36. Montagu, trans. Bacon’s Sap. Vet. (1860), 209. Of a biform figure, human above, half brute below.
1864. Swinburne, Atalanta, 1253. The biform bull.
