VAULTED

vaulted|vaulty. Vaulted, or Vaulty, a. arched, like an arch, hollow

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Vault″ed, a. 1. 1. Arched; concave; as, a vaulted roof.
2. 2. Covered with an arch, or vault.
3. 3. (Bot.) Arched like the roof of the mouth, as the upper lip of many ringent flowers.