Vaulted
Pronunciation : Vault"ed
Part of Speech : a.
Definition : 1. Arched; concave; as, a vaulted roof.
2. Covered with an arch, or vault.
3. (Bot.)
Defn: Arched like the roof of the mouth, as the upper lip of many ringent flowers.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder