(adjective) : prae-altus, a, um, (not in Cic. or Caes.).
* Verg high: praealtae rupes,Liv. 40, 58: jugum, Auct. B. Afr. 37, 3: volatus volucrum,Plin. 2, 10, 7, § 48.—Comp.: Saturni praealtius omnibus sidus,Mart. Cap. 8, § 886.
* Very deep: ostium fluminis praealti,Liv. 10, 2: mare,Plin. 5, 19, 17, § 76; Curt. 4, 2, 9: proxima terrae praealta sunt,Sall. J. 78, 2: paludes,Tac. H. 5, 15.— Sup.: praealtissimus puteus,App. M. 8, p. 365 Oud.—Adv.: praealtē, very deeply (post-class.): trabes in terram praealte defigitur,Veg. Mil. 4, 21.

s. TLL