The shady arch that vaulted the broad green alley.
--Sir W.
Scott.
2. [See {Vault}, v. i.] To leap over; esp., to leap over by
aid of the hands or a pole; as, to vault a fence.
I will vault credit, and affect high pleasures.
--Webster
(1623).
2. Covered with an arch, or vault.
3. (Bot.) Arched like the roof of the mouth, as the upper lip
of many ringent flowers.