vaultlike

As a noun terms

is .

As an adjective vaultlike is

having characteristics of a vault.

As a noun vault

is an arched structure of masonry, forming a ceiling or canopy or vault can be an act of vaulting; a leap or jump.

As a verb vault

is to build as, or cover with a vault or vault can be (ambitransitive) to jump or leap over.

As an adjective vaultlike is

having characteristics of a vault.