Answer: vaulting

AnswerCrossword Clue
VAULTINGBounding vigorously
vaultingarched space, chamber, etc.
vaultingto build or cover with a vault
vaultingroom for the safekeeping of valuables
vaultingthe act of vaulting
vaultingleaping
vaultingexcessive
vaultingto leap (over)
vaultingarched ceiling or roof