Word Study
biform
CIDE DICTIONARY
biform, a. [L. biformis; bis twice + forma shape: cf. F. biforme.].
Having two forms, bodies, or shapes. Croxall. [1913 Webster]
ROGET THESAURUS
biform
Duplication
N duplication, doubling, gemination, ingemination, reduplication, iteration, renewal, double, doubled, bicipital, bicephalous, bidental, bilabiate, bivalve, bivalvular, bifold, biform, bilateral, bifarious, bifacial, twofold, two-sided, disomatous, duplex, double-faced, double-headed, twin, duplicate, ingeminate, second, twice, once more, over again, as much again, twofold, secondly, in the second place, again.For further exploring for "biform" in Webster Dictionary Online