say it: ROWND-tay-buhl
roundtable is a noun meaning "a meeting of peers for discussion and exchange of views". It carries one recorded sense.
a meeting of peers for discussion and exchange of views
“a roundtable on the future of computing”
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 roundtable 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.