[*** \mathrm{vault}^1] |vôlt|

source: By Jonathunder - Own work, CC BY-SA 3.0

1. a roof in the form of an arch or a series of arches, typical of churches and other large, formal buildings:

アーチ形の屋根［天井］; 丸天井; (屋根［天井］の)アーチ

e.g. a Gothic ribbed vault.

literary a thing resembling an arched roof, especially the sky:

｟文｠ ; 〖the ～〗 丸天井のような物; 大空

e.g. the vault of heaven.

Anatomy the arched roof of a cavity, especially that of the skull:

〘解剖〙 蓋〘口蓋･頭蓋など〙

e.g. the cranial vault.

2. a large room or chamber used for storage, especially an underground one:

(ワイン･食料などの)地下貯蔵室

e.g. a wine vault.

a secure room in a bank in which valuables are stored:

(特に銀行の)(地下)金庫室, 貴重品保管室

e.g. the masterpieces were deposited in the vaults of Swiss banks.

a chamber beneath a church or in a graveyard used for burials:

(教会･墓地の)地下埋葬室

e.g. a family vault.

Middle English: from Old French voute, based on Latin volvere ‘to roll’.

[*** \mathrm{vault}^2] |vôlt|

verb no object

leap or spring while supporting or propelling oneself with one or both hands or with the help of a pole:

(手･棒などを支えにして)跳ぶ; «…に» 跳び乗る «into, onto» ; «…を» 跳び越す «over»

e.g. he vaulted over the gate.

with object jump over (an obstacle) while propelling oneself with one's hands or a pole:

…を跳び越す

e.g. Ryker vaulted the barrier.

an act of vaulting.

(手･棒などを支えにして)跳ぶこと, 跳躍; (体操の)跳馬

vaulter |ˈvôltər| noun

mid 16th century: from Old French volter ‘to turn (a horse), gambol’, based on Latin volvere ‘to roll’.