Distermino, distérminas, pe. cor. disterminâre. Plin. To bound from place to place.
Lewis and Short: Latin dictionary
dis-termĭno, āvi, ātum, 1, v. a., to separate by a boundary, to divide, limit, part (rare; mostly post-Aug.): quas (sterlas) intervallum binas disterminat unum, Cic. Arat. 94: Hispanias Galliasque Pyrenaei montes, Plin. 3, 3, 4, 30: communibus parietibus, Dig. 10, 1, 4, 10 al.—With ab: Arabia Judaeam ab Aegypto disterminat, Plin. 12, 21, 45, 100: Vettones ab Asturia, id. 4, 20, 34, 112: Gallica arva ab Ausoniis, Luc. 1, 216: Asiam ab Europa, id. 9, 957.—II.Trop., to limit, regulate: ea res ratio disterminat omnis, Lucr. 2, 719.