say it: uhp-DAY-ting
updating is a noun meaning "the act of changing something to bring it up to date (usually by adding something)". It carries one recorded sense.
the act of changing something to bring it up to date (usually by adding something)
“criminal records need regular updating”
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 updating 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.