a Colles fracture of the wrist in which the deformity has the appearance of a fork in profile.
sil·ver-fork frac·ture
, silver-fork deformity (sil'vĕr-fōrk frak'shŭr, dĕ-fōrm'i-tē) A Colles fracture of the wrist in which the deformity has the appearance of a fork in profile.