Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
distermĭnus, a, um, adj. [dis-terminus],
- I. separated, divided: Tartessos latis distermina terris, Sil. 5, 399.
- II. Act., separating, parting.
As subst.: distermĭna, ae, f. (sc. linea), the diameter, diagonal, Mart. Cap. 6, § 714.