a. [ad. mod.L. sulciformis: see SULCUS and -FORM.] Having the form of a sulcus or groove.
1822. J. Parkinson, Outl. Oryctol., 222. Hinge very broad, furrowed with numerous long sulciform teeth.
1836–9. Todd’s Cycl. Anat., II. 533/1. The sulciform depression … in the vestibule [of the ear].
