Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

dis-termĭno, āvi, ātum, 1, v. a.,

  1. I. 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.
  2. II. Trop., to limit, regulate: ea res ratio disterminat omnis, Lucr. 2, 719.