I. vault ‧ ing 1 /ˈvɔːltɪŋ $ ˈvɒːl-/ BrE AmE noun [uncountable]
↑ arch es in a roof or ceiling:
Gothic vaulting
II. vaulting 2 BrE AmE adjective
vaulting ambition literary the desire to achieve as much as possible:
a man of vaulting ambition with the talents to match