Webster's 1828 Dictionary
VAULTED
pp. 1. Arched; concave; as a vaulted roof.
2. Covered with an arch or vault.
3. a. In botany, arched like the roof of the mouth, as the upper lip of many ringent flowers.
Webster's 1913 Dictionary
VAULTED
VAULTED Vault "ed, a.
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.
Oxford Thesaurus
vaulted
vaulted adjective a high vaulted ceiling: arched, curved, rounded, bowed, domed, humped; literary embowed.
Sanseido Wisdom Dictionary
vaulted
v á ult ed /-ɪd /形容詞 〈部屋 通廊などが 〉丸天井の ; 〈建物が 〉アーチ形屋根のある .
The Wordsmith Dictionary