say it: AW-ruh-taw-ree
oratory is a noun meaning "addressing an audience formally (usually a long and rhetorical address and often pompous)". It carries one recorded sense.
addressing an audience formally (usually a long and rhetorical address and often pompous)
“he loved the sound of his own oratory”
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 oratory 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.