convexum Save Frieze-Dennison Vergil LaNe convexum , ī, n.: a convexity; recess, 1.310; pl., convexa, ōrum, vault, arch, 4.451; the concave vaulted sky or heavens, 6.241; convexities, sloping or hollow sides, 1.608. convexum, ī n (meestal plur.) welving; boog; holte; ➤ -a caeli; in -o nemorum.