say it: VAWL-ting
vaulting is a noun and adjective meaning "(architecture) a vaulted structure". It carries 3 recorded senses.
(architecture) a vaulted structure
“arches and vaulting”
architecture
revealing excessive self-confidence; reaching for the heights
“vaulting ambition”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for vaulting come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.