From Longman Dictionary of Contemporary Englishexpoundex‧pound /ɪkˈspaʊnd/ verb [intransitive, transitive] formalEXPLAIN to explain or talk about something in detailexpound on She’s always expounding on the latest dogmas of feminism.→ See Verb table
Examples from the Corpus
expound• Those who apply the rule to particular cases, must of necessity expound and interpret that rule.• Here in re-printed lectures and essays, he expounds his creed.• She expounded the Scriptures to her nuns, she will expound them now to her disciples.• Generals resumed expounding their views on political and economic affairs.• These ideas were expounded to mass audiences.• Your doctor today will tell you what Pott's Disease is and will probably delight in expounding upon Pott's Fracture.Origin expound (1200-1300) Old French espondre, from Latin exponere; → EXPOSE 