Vault v. t. [imp. & p. p. Vaulted; p. pr. & vb. n. Vaulting.]
1. To form with a vault, or to cover with a vault; to give the shape of an arch to; to arch; as, to vault a roof; to vault a passage to a court.
The shady arch that vaulted the broad green alley. --Sir W. Scott.
2. 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).
1. Arched; concave; as, a vaulted roof.
2. Covered with an arch, or vault.
3. Bot. Arched like the roof of the mouth, as the upper lip of many ringent flowers.
adj : having a hemispherical vault or dome [syn: domed]